She made a fanning motion, pretending to cool herself off.她做了个扇风的动作，假装想让自己凉快一点。She buried her head under the covers, pretending to be asleep.她把头埋到被子底下，假装睡着了。He stared sullenly into space, pretending not to hear the jeers...
The two systems are, at bottom, conceptual models...这两个系统实质上是两种概念模式。The two systems are, at bottom, conceptual models.这两个系统实质上是两种概念模式。In fact, both of these limiting conditions are more conceptual idealizations than actu...
With their fleece sopping wet, they huddled in hollows, too dispirited to graze.在皮毛打湿的情况下, 他们挤在低洼处,靠近黑莓丛,或者躲在背风坡上, 毫无觅食的情绪.Michelle will also spin a customer's wool fleece to specification at a cost of $2.25 an ounc...
辐射产生于电子流的相干运动.The radiation is produced by the coherent motion of electron streams.阻止电子流前进的物质.The material which one is exhibited opposites current follow.导体切割磁场会产生电子流.Electronic currents appear when a conductor cuts mag...