Nitropenton
四硝季戊四醇
🗣️ 情景例句
at this point in our lives?
在这个时候怎么样？
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
Waves are the children of the struggle between ocean and atmosphere.
海浪是大海和空气相斗的产物。