Nonorientable
不可定向的
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
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。
What do you want to do next September? Do you have any plans?
你今年9月打算干什么？你有什么计划吗？