Molecular spectrum
[化] 分子光谱
🧩 词语组成解析
🗣️ 情景例句
By the way, will we be able to get a refund on this cancellation?
顺便问一下，我们取消后可拿回定金吗？
It's hot this afternoon.
今天下午很热。
There is a mark of ink on his shirt.
他的衬衣上有一块墨迹。