Tcnb
[建] 四氧硝基苯
🗣️ 情景例句
We will help your children in learning lessons in their free time.
我们可以帮助您的孩子在他们空闲时学习功课。
We would like to point out that delivery before Christmas is essential and hope you can offer us that guarantee.
我们想指出圣诞节前交货很重要并希望贵方能就此向我们作出保证。
I believe I haven't reached the summit of my career.
我相信我还没有达到事业的巅峰。