Phrenazole
[化] 环戊四唑
🗣️ 情景例句
I doubt it, sir. We'll try, but I can't promise anybody before 3:30.
我没把握，先生。我们会尽早的，但我不敢许诺3：30以前行。
One party is entitled to cancel the contract if the other side cannot execute it.
如果一方不履行合同，另一方有权取消合同。
Hardly anyone can positively enjoy sitting in a train for more than a few hours.
很少有人能够真正喜欢坐几个小时以上的火车。