Direction cosine
[电] 方向余弦
🧩 词语组成解析
cosine
['kəusain]
n. 余弦;
🗣️ 情景例句
Who's buying the drinks?
谁来买酒？
I ate apples for breakfast yesterday.
我昨天早饭吃的是苹果。
His father told everybody that Eric had been killed in action.
他的父亲告诉大家，埃里克在战争中被打死了。