Lamnidae
鼠鲨科
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
One half of the world does not know how the other half lives.
贫富不相知。
Will you please try to find out for me what time the train arrives?
能不能请你帮我查查火车什么时候到？