Half a buck
[经] 五角硬币
🧩 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;
buck
[bʌk]
n. （美）钱，元;雄鹿;花花公子;
vt.& vi. （马等）猛然弓背跃起;抵制;猛然震荡;
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
Vain glory blossoms but never bears.
虚荣能开花，但从不结果。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。