火星的大气层极其稀薄，几乎全部由二氧化碳构成。Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.整周都可以用肉眼观察到火星。The planet Mars will be visible to the naked eye all week.我刚发动引擎时，引擎冒出火星，发出长长的嘶声，然后就熄火了。When I start...
《洁净水法案》1977年的修正案,是这些问题的派生物.The 1977 amendments to the Clean Water Act were an outgrowth of these problems.最初的源头生成了几个派生物.There were a few derivatives obtained from the original source.为什么白金雀儿碱的派生物是苦的?WHY ARE THE LUPANINE ...
他由于患轻度眼疾而不再担任队长一职。His captaincy of the team was ended by mild eye trouble.那天早晨，他没能和队长配合好。He was not a fit companion for their skipper that particular morning.他是球队的队长，但实际上却并未上场。He captained the team but he didn't act...
各企业需要更好地培训工人，并且在研发方面加大投入。Businesses need to train their workers better, and spend more on R&D.现今的有机葡萄酒生产商一般是注重品质的小型家族企业.Today's organic wine producer is typically a small, quality-conscious family concern.他呼吁企业不要过度提...