Backward counter
[计] 减法计数器, 反向计数器
🧩 词语组成解析
counter
['kaʊntɚ]
n. 柜台;对立面;计数器;（某些棋盘游戏的）筹码;
adj. 相反的;
vt. 反击，还击;反向移动，对着干;反驳，回答;
vi. 逆向移动，对着干;反驳;
adv. 反方向地;背道而驰地;
count(to count)+er→筹码；柜台；计算器
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
That which is evil is soon learnt.
恶行易学。
Please drop the other shoe!
请丢下另一只鞋吧！