Bacillariophyta
硅藻门
🗣️ 情景例句
We'll open a letter of credit if you promise to effect shipment one month earlier.
如果你方答应提前一个月交货，我们就同意开信用证。
Whom will you sell this to?
你将把这个卖给谁？
I borrowed his copy of the timetable.
于是我借他本人的列车时刻表，