Nif
gene[生化]固氮基因
🗣️ 情景例句
I guess we must.
我想咱们是该开始了。
If the beard were all,the goat might preach.
如果长胡就好，山羊也可讲道。
it may have been because curiosity attracted them and because the scent of a possible meal attracted the sharks.
那么它们可能是出于好奇；而鲨鱼可能是闻到了可以美食一顿的香味。