空气非常寒冷，似乎有雪的味道。There was a bite in the air, a smell perhaps of snow.房顶在雪的重压下突然坍塌下来。The roof collapsed under the weight of snow.雪的反光很刺眼.The light reflecting off the snow was dazzling....
It did not furnish an explantation for the heat generated by friction.它未能圆满地解释因摩擦而产生的热.kinetic friction动磨擦In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.为了评定润滑剂对复丝...
Other members include cabigecabbage, collards, Brussels sprouts, kale and kohlrabi.这个科里有空心菜, 羽衣甘蓝, 布鲁塞尔芽, 无头甘蓝和大头菜.Other members say collds, cabbage include cabbage, collards, Brussels sprouts, kale and kohlrabi.其它的还包括卷心...