Arcsec
abbr. arcsecant 反正割
??? 情景例句
Kissing someone that smokes is like kissing an ashtray.
吻一個煙民就像吻一個煙灰缸。
The finest diamond must be cut.
玉不琢不成器。
The race gave everyone a great deal of pleasure.
這次比賽使每個人都挺開心。