Carboxyethyl
[化] 羧乙基
🗣️ 情景例句
I intend to major in economics in college.
我想在大学里主修经济学。
He has gone to America.
他去美国了。[动作结束后的结果持续至今]
Hello. You look tired today.
你好。你今天显得有点儿累。