Flavanthrene
[化] 黄烷士林
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
Please come in and have a orange.
请进来吃一个桔子。
That's a good idea! I'm sure she'll like it.
这是个好主意！我相信她会喜欢的。