D. et s.
[医] 给予并标记
🧩 词语组成解析
[化] 乙基
🗣️ 情景例句
Now I remember.
现在我想起来了。
How much does the elephant weight?
这个大象有多重？
It is always wiser and safer to face up to reality,
遇事采取面对现实的态度总是比较明智和稳妥的，