The city, drab and dour by day, is transformed at night.这座城市白天死气沉沉、单调乏味，晚上就完全变了样。No wonder he looked so dour.难怪他看上去如此严厉。When it comes to more mainstream services, staff are dour and unhelpful.当谈到更多的主流业务, 员工是无生气且无用的....
雌土豚一般一年只产一仔.Female aardvarks typically give birth to one newborn each year.再近距离仔细观察就会发现, 土豚身上似乎还有其他动物的特征.On closer inspection, aardvark appears to include other animal features as well.随意的看上一眼土豚的身躯和它那长长的猪形鼻子,我们立刻就会想起猪.A ...
尽管他身形庞大，移动起来还是很灵巧。Despite his bulk he moved lightly on his feet.这个炉子底下带轮子，很容易四处移动。The stove is on wheels so it can be shuffled around easily.大多数移动机器人仍处在设计阶段。Most mobile robots are still in the design stage....