Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
Mother's apple pie always tastes delicious.
妈妈做的苹果派很好吃的！
'Do not touch the exhibits. Some of them are dangerous!'
“切勿触摸展品，某些展品有危险！”