Bidirectional counter
[计] 双向计数器
🧩 词语组成解析
[计] 双向的
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
Have you ever been to Far East Department Store?
你曾去过远东百货公司吗？
We are anxious to know how long it will take you to deliver the goods.
我们急于知道贵方多长时间能交货。
Only by working hard can we succeed in doing everything.
只有努力，才能成功