Bidirectional operation
[计] 双向操作
🧩 词语组成解析
[计] 双向的
🗣️ 情景例句
Just make the few changes I suggested and your letter will be perfect!
只要改动我提到的个别地方，你的信就会很完美了。
What year is this?
今年是哪一年？
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。