chalking

听听怎么读

英 ['t??:k??]

美 ['t??k??]

是什么意思

油画表面出粉的现象，灰化（上石灰），粉化（镀层和基体之间形成一种疏松粉末的镀层表面缺陷）；垩化；

英英释义

chalk[ 't??:ki? ]

n.
- a soft whitish calcite
- a pure flat white with little reflectance
- an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
  同义词：methamphetaminemethamphetamine hydrochlorideMethedrinemethdeoxyephedrinechicken feedcrankglassiceshabutrash
- a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
v.write, draw, or trace with chalk

学习怎么用

词组短语

chalk it up v. 记帐；宣布

french chalk n. 滑石粉

chalk up记下；取得；归咎于

a piece of chalk一支粉笔

know chalk from cheese有判断力[通常用于否定句]

white chalk白粉笔

更多收起词组短语

双语例句

Our school contracted with the nearest shop for50 boxes of chalk a month.
我们学校同最近的一家商店每月订购50盒粉笔。

权威例句

Non-chalking release/wear coating
NON-CHALKING RELEASE/WEAR COATING
Non-chalking release/wear coating
Billiard cue chalking means
CHALKING UP EXPERIENCE ON STROOD AND HIGHAM
Phosphate binders in CKD: chalking out the differences
Coccolithophore Cell Biology: Chalking Up Progress
Critical Pigment Volume Concentration and Chalking in Paints
Photo‐chemistry of pigments. Studies on the mechanism of chalking
Titanium Dioxide Pigments: Correlation between Photochemical Reactivity and Chalking.

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