Dioecy
雌雄异株
🗣️ 情景例句
Hello, Air China Flight Reservations. May I help you?
喂，你好，中国航空公司订票处，需要帮忙吗？
I don't think so. I know several convenient hotels. Let me make some calls.
我认为没有，我知道有几家便利旅馆，让我打几个电话。
Bleriot set off half an hour later.
半小时后便正式出发了。