Silkworms are fed mulberry leaves after they have hatched.蚕孵出后食桑叶.In another couple of years they'll even be wanting foreign mulberry trees!过几年他们连桑叶都要洋种了!Behind the row of mulberry trees were paddy fields.那一片桑树背后就是稻...
在级联的情况下, 高能 电子可以引起簇射.In successive steps, a high - energy electron creates a shower.级联水力学的研究对离心级联分离同位素的效果以及级联的运行有着重要的影响.Centrifuge cascade hydraulics plays an important role in efficient isotope separation in gas centrif...
神父在亮光下皱起了眉头，一脸疑惑。The priest frowned into the light, his face puzzled.一想到要跟卡米拉一起吃饭，他皱起了眉头。He winced at the thought of dining with Camilla.米奇看到几个人正在喝酒时皱起了眉头。Midge's forehead furrowed as she saw that several were drink...