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
Find a productive hobby, and see if you can learn something.
找一个具有意义的爱好，看你能否从中学到什么。
It's hard to say.
难说。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。