Radiothermics
[电] 射电透热法
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
The crates are charge to you at $5 each if they are not returned to us within 2 weeks.
如果木条箱两星期内不归还，则每只箱扣罚五美元。
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。