Ectomesoderm
外中胚层
🗣️ 情景例句
And there's a phone call for you, Mr. Bennett. Bennett
先生， 有你的电话。
I'm afraid I have bad news for you.
恐怕我有坏消息要告诉您。
No, it's too small. Let's go to the farthest instead. It's more interesting.
不，那个太小了。还是去最远的那个吧。那更有趣！