D. et s.
[医] 给予并标记
🧩 词语组成解析
[化] 乙基
🗣️ 情景例句
I've decided to stay at home and be a full-time mother.
我决定留在家里做一个专职母亲。
The more a man knows, the less he knows he knows.
懂得越多，就越知道自己懂得不多。
NASA is now going to put the telescope right,
国家航天局准备纠正这一错误，