...competitions in rowing, swimming and water skiing.划船、游泳和滑水比赛Rowing is hard work.划船是个累活。Why don > t you try this foldaway rowing machine?不妨试试这个折叠式划船机.All the rowing boats were chained up.所有的划艇都用铁链拴了起来。The local officia...
They call rowing the perfect sport. It exercises every major muscle group.他们称划船是最佳运动，它可以锻炼每一处主要肌肉群。A string of five rowing boats set out from the opposite bank.5只划艇排成一行从对岸出发了。All the rowing boats were chained up.所有的划艇都用铁...
灰分的碱度可能与纤维的细度有关.There is a possibility that alkalinity of ash is related to fiber fineness.在足够的温度和碱度的情况下, 脂护酯可能被水解产生皂类.At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.讨论了...