Operation study
[经] 作业研究, 操作培训
🧩 词语组成解析
study
['stʌdi]
n. 学习，研究;课题;书房;结论;
vi. 考虑;沉思;默想;努力;
vt. 想出;详细地检查;背诵（台词等）;为…费心思;
🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
To jump
跃起
That's not allowed. Once you are in here, listen to your teacher.
那是不允许的。一旦进来了，你们要听老师的话。