你一定注意到他有时候显得特别疲惫。You must have noticed how tired he sometimes looks.他正挥手以引起他们的注意。He was waving his arms to draw their attention.罗斯听到了熟悉的声音，但没注意听说的是什么。Rose heard the familiar voice, but tuned out the words....
Can you enumerate the capitals of the50 states?你能把五十州的首府列举出来吗？We did the logo in lower-case letters instead of capitals.我们的徽标用了小写字母，没用大写。In his celebration speech, he issued a stark warning to Washington and other Wester...
Reduction - metathesis method for preparation of strontium carbonate from celestite is developed.提出还原 - 复分解法制备碳酸锶的新工艺.Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isom...
The two ends of the pipeline are connected with the radiator.管道的两端与暖气片相连接.The pipeline supplies Jordan with 15 per cent of its crude oil.该管道供给约旦15%的原油.A single pipeline serves all the houses with water.一条单管路给所有的房子供水....