Exohormone
n. [生化]外激素
🗣️ 情景例句
Hello. This is Richard Stewart.
你好， 我是Richard Stewart。
You can't make something out of nothing.
巧妇难为无米之炊。
Oh, sorry! This is Lucy. This is Lily. They're new. Lucy, this is my friend Jim.
噢，对不起，这是露茜，这个是莉莉。他们是新来的，露茜这是我的朋友吉姆。