de 加强意义 + vis =separate分开 + e → 使分开的部件组装成新的发明 → 设计,发明
🗣️ 情景例句
Are we ready to go?
我们可以开始了吗?
Here's no necessary.
我看没这必要。
it requires 97 per cent less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!