Obdiplostemonous
[医] 外轮对瓣的(指雄蕊群), 具外轮对瓣雄蕊的(指花或植物)
🗣️ 情景例句
She went to a school-board meeting.
她去参加联合校董会会议了。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
Half an hour? That's too long! Is there a bus?
半小时？那太久了！有公共汽车吗？