Dirac equation
[化] 狄拉克方程
🧩 词语组成解析
[计] 迪拉克的
🗣️ 情景例句
Help! Help! I can't swim!
救命！ 救命！ 我不会游泳
That would be the responsibility of the buyer. We are prepared, however, to provide all the documentation costs.
那是属于买方的责任，我们仅承担提供所有文件的费用。
I arranged to meet Jane after work last night but she didn't turn up.
我昨晚安排下班后见简，但她没来。