他的风衣和你的一样.His wind - breaker is the same as yours.我的风衣防水, 所以我的上半身是干燥的.My windbreaker was waterproof, so that definitely kept my body dry.这些学生只是数数色和米色风衣的数量.The students merely counted the number of black and beige raincoa...
We tried to grow some copper sulphate crystals with our children.我们想跟孩子们一起制作硫酸铜晶体。The flakes seem to fuse together and produce ice crystals.雪花好像融合在一起形成了冰晶。These thin crystals transmit much of the power.这些薄薄的晶体传导了大部分的动力。...