🧩 词语组成解析
bel
[bel]
n. 贝尔（音量比率的单位）;
🗣️ 情景例句
They've always got an opinion.
他们总有自己的看法。
His apology didn't seem sincere.
他的道歉看起来不是真诚的。
The development of such a telescope will be one of the great astronomical projects of the twenty-first century.
而开发这样一台望远镜将会是21世纪天文学的一个重要的研究课题。