Preparation 339
[化] 制剂339; 水杨酰苯胺
🧩 词语组成解析
🗣️ 情景例句
What was your graduation thesis on?
你毕业论文是什么题目？
I like football.
我最喜欢足球。
I was doing eighty when I overtook you.
我是以第小时80英里的速度赶上你的。