Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
To apologize for leaving so early,I brought you a little gift.
为了表示我对提早走掉的歉意，我给你带了一件小礼物。
Worry kills more men than work.
忧虑比劳累更伤人。
Soon the errors will have multiplied to the ten-foot scale,
很快这种偏差会增加到10 英尺的范围，