Activity energy
[化] 活化能
🧩 词语组成解析
🗣️ 情景例句
We prefer to have payment in US dollars. It may be difficult for us to do so.
我们用美元付款。用人民币支付可能有些困难。
After dinner, they adjourned to the study to talk.
晚饭后，他们到书房谈话去了。
As it is only six feet across, it is barely noticeable.
仅6英尺宽，很难被发现。