Half plane
半平面
🧩 词语组成解析
half
[hæf]
adj. 一半的，半个的;
n. 半;一半;（啤酒等饮料的）半品脱;（比赛、音乐会等的）半场;
adv. 一半;部份地;
🗣️ 情景例句
Are you a citizen of the People's Republic of China?
你是中华人民共和国的公民吗？
A friend to everybody is a friend to nobody.
广交友，无深交。
The mobile phone is as popular as the beeper nowadays.
现在手机和寻呼机一样普及。