Trivalent
a. 三价的\\n[医] 三价的
✅ 同义词
🗣️ 情景例句
The only thing holding us back is our financial situation.
只是财政状况未许可，所以才拖延到现在。
Please don't let the dog come in the house.
请别让狗进到屋子里。
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!
因此，从月球到地球的25万英里所消耗的能量要比从地球表面进入地球轨道的200英里所耗能量少97%。