🧩 词语组成解析
roof
[ruf]
n. 屋顶，房屋;最高部，顶部;最高限度;口腔顶部;
vt. 给…盖顶;覆盖;保护，庇护;
🗣️ 情景例句
Would you begin, Ellen?
请你开始， Ellen
What was that?
你说什么来着？
She teaches foreign students Chinese.
她教外国学生汉语。