Rare birds preen themselves right in front of your camera.很少有鸟类会在镜头面前梳理自己的羽毛。He never cared a preen for her.他对她一点也不在乎.They sat in Germaine Rocher's salon watching the languid mannequins preen and simper.她们正坐在吉米·罗切的美...
他们在常规体检中发现了扩散性的癌变。They found invasive cancer during a routine examination.病毒感染可以是局限性的,扩散性的,或不显性的.A viral infection may be localized disseminated or inapparent.相反, 扩散性或多病灶性坏死不是内毒素的特性.Conversely, diffuse or multifocal necr...
你能用拉削技术制作齿轮 吗 ?A : Can you use broaching to make a gear?注意: 在进入拉削时一定要关闭放气开关.Notice: When broaching, make sure that the air escape cock is closed.其中计算所得到的拉削力, 必须小于拉床的实际拉力.Which has been calculated Broaching, and must be l...