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- The train arrived on the dot of three o'clock. 那辆火车三点钟准时到达。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- He said he used this system in the year dot. 他说他很久以前用过这个系统。
- He went away, limping dot and go one. 他一拐一拐地跛着走开了。
- He's very punctual always arrives on the dot. 他很守时--总是按时到。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- She was told to arrive at 8 o'clock on the dot. 她被告知八点钟准时到。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- dotal nitrogen 全氮
- He watched the train away until it was only a dot in the distance. 他目送着列车驶去，直到它成了远方的一个小黑点。
- Since James had his leg broken, he walks dot and carry one. 自詹姆斯断腿后，他走路就一瘸一拐的了。
- She watched the train until it was only a dot in the distance. 她一直看著火车,直到它走远了,成了一个小点。
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- The ship became a mere dot on the horizon. 船在远处的水平线上成了一个小点。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The spoken representation of the dot in radio and telegraph code. (电码中的)点表示无线电码或电报电码的“滴滴”、“嗒嗒”声
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
