Microgametophyte
雄配子體
??? 情景例句
It's all right with me
我沒有問題。
If you work in a factory,you usually have to punch a clock.
如果你在一個(gè)工廠里工作，你通常必須打卡。
Jennifer will have to take part in a new play soon.
詹妮弗很快又要參加一個(gè)新劇的演出。