Hepes
[医][=hydroxyethyl piperazine ethanesulfonic acid]羟乙基哌嗪乙磺酸
🗣️ 情景例句
You must observe these simple rules.
你必须遵守这些简单的规定。
This part of the country is very mountainous.
国家的这部分有很多的山。
No, it's not him.
不，不是他。