Ethyl acetic acid
[化] 丁酸; 乙基乙酸
🧩 词语组成解析
[化] 乙基\\n[医] 乙基
acetic
[[ə'si:tik]]
a. 醋的, 乙酸的\\n[医] 醋酸的, 醋的
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
It is easier to descend than to ascend.
下降容易上升难。
When I asked him what he was doing, he smiled guiltily and then put the parcel on the desk.
当我问他正干什么时，他内疚地笑了，然后把那个大包拿到了桌上。