maintainence

常見例句

We must maintain a firm attitude.
我們必須採(cǎi)取堅(jiān)定的態(tài)度。
He is too poor to maintain his family.
他太窮了，無(wú)法養(yǎng)活家人。
A substance believed to maintain life indefinitely.
長(zhǎng)生不老葯被認(rèn)爲(wèi)可以使生命無(wú)限的物質(zhì)
The plan is merely designed to maintain their nuclear superiority.
制定這個(gè)計(jì)劃衹是爲(wèi)了保持他們的核優(yōu)勢(shì)。
The factory cannot maintain current levels of production.
該工廠不能保持目前的生産水平。
He can't maintain enough equilibrium to ride a bike.
他騎自行車不能保持平衡。