Bidirectional current
[电] 双向电流
🧩 词语组成解析
[计] 双向的
🗣️ 情景例句
Will I be able to receive the goods by the end of September?
我可以在9月底以前收到货吗？
We must not lie down, and cry, God help us.
求神不如求己。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-