Semisinusoidal
半正弦(形)的
🗣️ 情景例句
What's this about, Harvey?
这是怎么回事 Harvey
Which one is heavier?
哪一个是较重的？
He told him he had better return it or he would call the police.
告诉他最好把羊交还，否则就去叫警察。