Threo-diisotactic
[化] 苏型双全同立构
🧩 词语组成解析
双全同立构的
🗣️ 情景例句
The number you are calling -- 555-8448 --
你打的电话号码555 8448
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
I thought I put it in my coat, but it isn't here!
我想我把它放在大衣里，可现在不见了！