maintainence

常見(jiàn)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(chē)不能保持平衡。
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