检验表明水生有壳动物的毒素水平提高了。Tests showed increased levels of toxin in shellfish.游客们可以看到一系列各种各样、色彩斑斓的水生动植物。Visitors can view a rich and colorful array of aquatic plants and animals.池塘虽小，但能为许多水生植物和鱼类提供足够的养分。The pond is quite small ...
The heavy traffic tinctures the air with carbon monoxide.繁忙的交通使空气里充满一氧化碳.Carbon monoxide is definitely capable of impairing cardiovascular function.一氧化碳确实能损害心血管机能.Objective To explore resistance to carbon monoxide poison...
业余垒球协会的裁判员名单上的人数已经减少到了57,000名。The Amateur Softball Association's roster of umpires has declined to 57,000.垒球运动中采用低手投球。In softball, pitches are tossed underhand.垒球是实心的.The softball is solid....
The sidewalk abutted on the river.人行道紧挨着河川.Some one was shuffling by on the sidewalk.外面的人行道上有人拖着脚走过.Gerta and Gillie ran down the sidewalk with some other children in a game of hide - and - seek.歌塔和吉利与其他一些小孩沿着便道跑过去,玩捉迷藏....
Trends of other operating parameters should be taken into account in making extrapolations.在作设计改进时应考虑到其它工作参数的变化趋势.However, these contentions are based mainly on faulty extrapolations of preliminary or inconclusive eviden...