5-hydroxytryptamine
[医]血清素，血清紧张素，5-羟基色胺
🧩 词语组成解析
n. 含于血液中的复合胺
🗣️ 情景例句
A son and his wife and their three children--my grandchildren.
有个儿子， 还有儿媳妇以及他们的三个孩子，我的孙儿女们。
Is this your pen? I found it under the desk.
这是你的笔吗？我在桌下捡的。
When they were very young, Mr. Green sometimes dressed up in a red coat. But he doesn't do that now.
在他们很小时，有时候格林先生穿上一件红色的外套。但他现在不那么做了。