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
You're welcome to come over any time, you'll always have a place to stay.
我们欢迎你任何时候过来，这里是你永远的家。
You're very cheerful today.
你今天很快活。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。