蝶泳的泳姿动作要领包括:划水 、 呼吸 、 移臂 、 入水和海豚式打水.Elements of the butterfly include pull, breath, recovery, entry and dolphin kick.做蝶泳转身时, 你要径直游向池壁.The butterfly turn, you want to come straight into the wall.有自由泳 、 仰泳 、 蝶泳、蛙泳等.Peter :...
It was useful forH 2 SO 4 production when the accumulative saturationS capacity reached 20 %.当脱硫剂累计饱和硫容达20%时,可用于生产硫酸.The cognition of the relationship of saturations and its influence to water flood is not enough.饱和度的关系及...
他们所谓的回答不过是表示承认的咕哝罢了。Their replies were no more than grunts of acknowledgement.滚滚浓烟盘旋翻腾，恶臭味呛得她喘不过气来。Dense smoke swirled and billowed, its rank fumes choking her.再小的细节都逃不过她的眼睛。No detail was too small to escape her attentio...
Her luggage remained unclaimed at Frankfurt Departures.她的行李一直放在法兰克福机场，无人认领。Cancellations and late departures rarely rile him.他很少因为约定取消或出发太晚而恼火。The airline has more than 90 scheduled departures from here every day.该航空公司每天...