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
A little further to the right, Tom.
再往右一点， Tom。
When I came in, he was reading.
当我进来的时候，他在读书。
It's the most expensive model in the shop.
这是店里最贵的型号。