Mobile hydrogen
[化] 流动氢原子
🧩 词语组成解析
🗣️ 情景例句
The bank canceled his loan and took back his car.
银行取消了他的贷款并收回了他的车。
A watched pot(pan) is long in boiling.
心急水不沸；盼得越切，来得越迟。
I once spend an uncomfortable weekend which I shall never forget at his house.
有一次，我在他家里度周末，过得很不愉快。这事我永远不会忘记。