Valence bond theory
[化] 价键理论
🧩 词语组成解析
valence
[['veiləns]]
n. 原子价\\n[化] 化合价; 原子价
🗣️ 情景例句
I suggest you give her a call straight away.
我建议你立即打个电话给她。
The day is long to him who knows not how to use it.
百无聊赖。
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%。