Acetaldehyde resin
[机] 乙醛树脂
🧩 词语组成解析
[化] 乙醛\\n[医] 乙醛, 醋醛
resin
['rezin]
n. 树脂;合成树脂;松香;
vt. 用树脂处理;涂擦树脂于;
🗣️ 情景例句
Excuse me, Susan.
对不起 ，Susan。
How do you do?
你好！
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，