英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

knocking    音标拼音: [n'ɑkɪŋ]
n. 爆震音,卡答卡答的故障声音

爆震音,卡答卡答的故障声音

knocking
n 1: the sound of knocking (as on a door or in an engine or
bearing); "the knocking grew louder" [synonym: {knock},
{knocking}]

Knock \Knock\ (n[o^]k), v. i. [imp. & p. p. {Knocked} (n[o^]kt);
p. pr. & vb. n. {Knocking}.] [OE. knoken, AS. cnocian,
cnucian; prob. of imitative origin; cf. Sw. knacka. Cf.
{Knack}.]
1. To drive or be driven against something; to strike against
something; to clash; as, one heavy body knocks against
another. --Bacon.
[1913 Webster]

2. To strike or beat with something hard or heavy; to rap;
as, to knock with a club; to knock on the door.
[1913 Webster]

For harbor at a thousand doors they knocked.
--Dryden.
[1913 Webster]

Seek, and ye shall find; knock, and it shall be
opened unto you. --Matt. vii.
7.
[1913 Webster]

3. To practice evil speaking or fault-finding; to criticize
habitually or captiously. [Slang, U. S.]
[Webster 1913 Suppl.]

{To knock about}, to go about, taking knocks or rough usage;
to wander about; to saunter. [Colloq.] "Knocking about
town." --W. Irving.

{To knock up}, to fail of strength; to become wearied or worn
out, as with labor; to give out. "The horses were
beginning to knock up under the fatigue of such severe
service." --De Quincey.

{To knock off}, to cease, as from work; to desist.

{To knock under}, to yield; to submit; to acknowledge one's
self conquered; -- an expression probably borrowed from
the practice of knocking under the table with the
knuckles, when conquered. "Colonel Esmond knocked under to
his fate." --Thackeray.
[1913 Webster]


Knocking \Knock"ing\, n.
A beating; a rap; a series of raps.
[1913 Webster]

The . . . repeated knockings of the head upon the
ground by the Chinese worshiper. --H. Spencer.
[1913 Webster]


请选择你想看的字典辞典:
单词字典翻译
knocking查看 knocking 在百度字典中的解释百度英翻中〔查看〕
knocking查看 knocking 在Google字典中的解释Google英翻中〔查看〕
knocking查看 knocking 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • New MIT Tech Could Cut Oil Refining Energy by 90% - SciTechDaily
    In fact, this process is responsible for about 6 percent of the world’s carbon dioxide emissions Most of that energy is spent heating the oil to separate its components based on their boiling points Now, in an exciting breakthrough, engineers at MIT have created a new kind of membrane that could change the game Instead of using heat, this
  • A new approach could fractionate crude oil using . . . - MIT News
    MIT researchers have developed a new membrane that can separate different kinds of fuel by molecular size, which could replace the current energy-intensive crude oil distillation process “Roughly 1 percent of global energy use goes into separating crude oil into gasoline, diesel, and heating oil,” writes Aamir Khollam for Interesting
  • A new approach could fractionate crude oil using much less . . .
    The key innovation is that the filters we developed can separate very small molecules at an atomistic length scale," says Zachary P Smith, an associate professor of chemical engineering at MIT
  • MIT chemical engineers make potentially game-changing . . .
    A team of chemical engineers at the Massachusetts Institute of Technology has invented a new process to separate crude oil components, potentially bringing forward a replacement that can cut its harmful carbon pollution by 90% The original technique, which uses heat to separate crude oil into
  • MIT Engineers Develop Breakthrough Membrane to Revolutionize . . .
    The new membrane offers an alternative by filtering molecules according to size and shape, eliminating the need for boiling According to Zachary P Smith, associate professor of chemical engineering at MIT and senior author of the study, the new method represents a transformative approach to separation technology
  • MIT membrane could fractionate crude oil using much less . . .
    In an advance that could significantly reduce the amount of energy needed for crude oil fractionation, MIT engineers have developed a membrane that filters the components of crude oil by their molecular size This is a whole new way of envisioning a separation process
  • Crude oil climate toll slashed by 90% in US engineering . . .
    “This is a whole new way of envisioning a separation process,” said Zachary P Smith, associate professor of chemical engineering at MIT and senior author of the study





中文字典-英文字典  2005-2009