甲烷和丙烷是烷烃。Methane and propane are alkanes.某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane.直链烷烃使机器的 “ 爆震 ” 问题更加严重.The straight - chain alkanes exacerbate the problem of engine " knock "....
Loving , losing, hot touches, cold kisses, mystery, mistakes, leavings , takings, dreams, desires, laughter, lechery.爱意,失败, 热情的触摸, 冷冷的吻, 神秘, 错误, 离开,索取, 梦想, 欲望, 大笑, 好色.But the leavings of the old feast were still plentifu...
Basal metabolism is much lower for creatures in cold water.冷水中生物的基础代谢速度要低很多。Designs a new type of double stream basal meter with a deflector.摘要设计了一种带分流片的双流束基表.Regular exercise can increase your basal metabolic rate.定期运动能...
我们大多数航班行李限重为每位乘客44磅。Most of our flights have a baggage allowance of 44lbs per passenger.这个小金球重0.25盎司。This little ball of gold weighs a quarter of an ounce.他们过去常买10公斤重的整块牛肉。They used to buy ten kilos of beef in one lump....