Cosec
n. 余割
📖 牛津释义
cosec
abbr
缩写 = cosecant.
🗣️ 情景例句
Hello, Susan.
喂 Susan。
We are looking forward to seeing you again.
我们非常盼望再见到你。
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。