Cosmetics are often used to conceal facial blemishes.

化妆品常用来遮盖脸部色斑。

In algebra, the sign X usually denotes an unknown quantity.

在代数里, 符号X常用来表示未知数。

The most commonly used agents in this situation are sodium nitroprusside (Nipride) and labetalol (Normodyne).

最常用的药贝洛尔和硝普钠。

Graph paper, parallel, and planimeter methods are current tools for acreage calculation.

目前常用的量算面积方法有方格纸法、平行线法、求积仪法。

The schwa is the most frequent vowel sound in English speech.

在英语中，中元音最常用的元音。

Propylene,the common petroleum gas,is subject to gasification under heating and liquification under pressure.

丙烯一种受易气化、受压易液化的常用石油气。

I used to snare small birds such as sparrows.

我曾常用罗网捕捉麻雀等小。

Games are usually used to beguile small children.

游戏常用来哄小孩。

The baculine argument was used as a common mode of argument in those days.

鞭挞的方法当时常用的一种说服方式。

Have you looked up some of the unusual words like apathia, aphasia and athambia?

你有没有查一些不太常用的词像冷漠，失语症和冷静？

Metal complexants such as ferrous complexant and cobaltic complexant are common used in this process.

液相络合法常用的金属络合剂有亚铁络合剂和钴络合剂等。

It is often used to treat wind-heat cold,alternate attacks of chills and fever,dyspepsia,abdominal distention,borborygmus,etc.

常用于治疗风、寒往来、食积不化、腹胀肠鸣等证。

English schoolmasters used to cane the boys as a punishment.

英国小学老师过去常用教鞭打男学生作为惩罚。

The commonly used medicine has ammonia armor pterin (mtx) and Mi Feisi the alkone.

常用的药有氨甲蝶呤(mtx)和米非司酮。

Paw print, or pugmark, tracing is another common technique for counting tigers.

爪印和老虎的足迹同样常用的计算老虎数量的方法。

Sheets of corrugated iron are often used for temporary roofs and fences.

波纹铁皮常用以建造临时屋顶和围墙。

The term actinomorphy is generally used to describe radial symmetry in flowers.

常用“辐射对称”描述辐射状的花。

Farmers often enclose their land with hedges.

农夫们常用树篱将他们的地围起来。

Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).

而许多常用的漱口药水则含有芳香油，包括薄荷脑、桉叶醇以及柳酸甲酯（冬青油）。

Commonly adopted to get lambdoid sewing of leather and to embroider on cloth.

备有自动卷线器，操作简单，常用于皮料人字缝及布料绣花。