Bidirectional current
[电] 双向电流
🧩 词语组成解析
[计] 双向的
🗣️ 情景例句
Today's exchange rate is 170.8.
今天的兑换率是一百七十点八。
Perseverance is failing nineteen times and succeeding the twentieth.
十九次失败，到第二十次获得成功，这就叫坚持。
What shocked him most was that the men who carried him were black.
最使他感到惊奇的是，把他运走的人都是黑人。