🧩 词语组成解析
n. 黑顶莺, 威式莺
🗣️ 情景例句
I am sorry. I am not free right now.
对不起，我现在很忙。
The doctor said I looked run down.
医生说我看起来身体渐渐差了。
She works very hard and is very helpful.
她工作非常努力，对同学们帮助很大。