Hexamethylene tetramine
[建] 胱氨酸
🧩 词语组成解析
n. [化]环己
[医] 羟化四甲铵
🗣️ 情景例句
It's still raining. I want to play tennis.
仍然在下雨。我想打网球。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
I have a large collection of CDs.
我收集了很多唱片。