Ectoplacodial
外产囊原基层的, 外生果孔盘的
🗣️ 情景例句
He is an impressive man.
他是一个令人难以忘怀的人。
I'm sorry. I can't make it on Tuesday.
对不起，星期二我无法参加。
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。