Nonacosane
二十九(碳)烷
🗣️ 情景例句
What time is it?
什么时间啦？
As you all know, doing business is not an easy thing to do.
大家都知道，做生意并不是一件容易的事。
torn by the noise of the taxicabs, lorries and buses, and thronged ceaselessly by great crowds.
街道上充斥着汽油味和有毒气体，出租汽车、卡车、公共汽车的噪音刺耳难忍，络绎不绝的人群挤来挤去。