Half an hour
辅助 Assistant半小时
🧩 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;
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
hour
['aʊɚ]
n. 小时，钟头;时间，时刻;固定时间;课时;
🗣️ 情景例句
you've included performing arts centers,
你拍了表演艺术中心，
A test pilot needs plenty of nerve.
飞行试飞员需要极大的勇气。
The rope had been cut, so it was obvious that the lamb had been stolen.
绳子被人割断，很明显小羔羊是被人偷走了。