Arcsin
abbr. arcsine 反正弦
🗣️ 情景例句
So ... back to work.
因此……用功吧。
She was so happy that she shed tears of delight.
她因为太幸福了，所以喜极而泣。
Among them will be Debbie's mother, who swam the Channel herself when she was a girl.
他们当中还会有黛比的母亲，她本人还是个姑娘时，也曾横渡过英吉利海峡！