Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
This great news, I'm happy to hear it.
很高兴能听到这么棒的消息。
I envy you your health.
我羡慕你健康和身体。
Summer is from December to February, and winter is in June, July and August.
夏天从12月到2月，冬天是在6月、7月和8月。