Nifs
(nif 的復(fù)數(shù)) gene[生化]固氮基因
??? 情景例句
Never gamble if you can't afford to lose.
如果你輸不起的話，永遠(yuǎn)不要賭博。
I can't promise anything,but I'll do my best.
不敢保證，不過(guò)我盡力而為。
All we have to do is sign the contract.
剩下的只要簽訂個(gè)契約就行了。