Variopter
(滑动)光学计算尺
🗣️ 情景例句
Everyone is goofing around.
人人都在混时间。
If you can be well without health you may be happy without virtue.
如果不健康而能强强壮壮，那么无美德也可快快乐乐。
If you have any comment about these clauses, do not hesitate to make.
对这些条款有何意见，请尽管提，不必客气。