Cosine emitter
[化] 余弦發射體
?? 詞語組成解析
cosine
['k?usain]
n. 余弦;
n. 發射體, 發射極\\n[計] 發射極; 發射器
??? 情景例句
He doesn't want anybody picking him up.
他不愿意讓別人接他。
I hope you have a good time on your trip.
我希望你在你的旅行上過得愉快。
Not realizing who she was, the assistant was eager to serve her this time.
那個售貨員沒有認出她是誰，這一回接待她的態度非常殷勤。