人造丝比天然丝更易起皱 吗 ?Does artificial silk crease more easily than natural silk?羊毛比人造丝厚实.Wool has more body than rayon.人造丝是仅次于棉花的使用得最广泛的织物。Rayon rank second only to cotton as the most widely used fiber....
Two days later, they implanted the fertilized eggs back inside me.两天以后，他们把受精卵重新植入了我的体内。The fertilized eggs are taken from the cow five or six days later.五六天以后,便可以从母牛体内取出受精卵.Derived from two separately fertilized eggs . U...
The sea gradually calmed down as we steamed out.我们的轮船开走了,海面逐渐平静下来了.He was very excited, and it was long before he calmed down.他很激动, 心情久久不能平静.The roaring sea gradually calmed down.咆哮的大海逐渐平静下来....