🧩 词语组成解析
bel
[bel]
n. 贝尔（音量比率的单位）;
🗣️ 情景例句
Yes, I know that.
是的 ，我知道。
If I had known that, I could have helped you.
假如我早知道，我就能帮你了。
He will take part in an important race across the Atlantic.
他将参加一次重大的横渡大西洋的比赛。