Frontiered
n. 国境, 国界, 边界；[美国英语](靠近未开发地带的)边远地区, 边境, 边疆\\na. 国境的, 边界的, 边疆的；开拓的, 探索的
🗣️ 情景例句
What are you up to?
你在忙些什么？
This is destiny.
这是命运的安排。
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我们中国从前未发明出热水瓶时的做法。”魏华说。