1、preparation

準(zhǔn)備；預(yù)備；籌備

Rub the surface of the wood in preparation for the varnish.

打磨木頭的表面，為刷清漆做準(zhǔn)備。

Few things distracted the Pastor from the preparation of his weekly sermons.

幾乎沒有什么事情能使牧師在準(zhǔn)備每周的布道時(shí)分神。

準(zhǔn)備工作；預(yù)備工作；籌備工作

The United States is making preparations for a large-scale airlift of 1,200 American citizens.

美國正在為運(yùn)送1,200名美國公民的大規(guī)模空運(yùn)做準(zhǔn)備。

Final preparations are under way for celebrations to mark German unification.

紀(jì)念德國統(tǒng)一的慶典活動(dòng)正在做最后的準(zhǔn)備工作。

（食物、醫(yī)藥、化妝品的）制劑，配制品

anti-ageing creams and sensitive-skin preparations.

抗衰老面霜和敏感性皮膚適用的護(hù)膚制劑

2、friction

矛盾;不和;爭執(zhí)

Sara sensed that there had been friction between her children.

薩拉感覺到她的孩子之間有過爭執(zhí)。

The plan is likely only to aggravate ethnic frictions.

這一方案很有可能只會加劇種族沖突。

摩擦力

The pistons are graphite-coated to reduce friction.

活塞上涂了一層石墨以減小摩擦力。