Tutoring
v. 当家庭教师( tutor的现在分词 ); 任大学导师; 任课
🗣️ 情景例句
No. I really don't know how to go about it.
没有。我真不知道如何填。
To show off muscles.
展示肌肉。
Because the equipment for adding sound to films had not yet been developed.
因为给电影配音的设备还没有研制出来。