细胞不断地分裂更新，这是人体发育过程的一部分。Cells divide and renew as part of the human growth process.分裂主义者袭击他们的车辆时，两名警官死里逃生。Two police officers had a narrow escape when separatists attacked their vehicles.优柔寡断与内部分裂深深困扰着该团队。The team has bee...
Molasses are mildly laxative and something of a general tonic.糖蜜有些许通便作用，兼具强身功能。She ordered a large vodka and tonic from a passing waiter.她向经过她身旁的服务员要了一大杯加了奎宁水的伏特加酒。a bracing tonic.提神的补品This tonic will work miracles for y...
雪花如刀割般刮在他的脸上，他绷紧了双肩。He braced his shoulders as the snow slashed across his face.简把肌肉绷紧，不让它们颤抖。Jane tensed her muscles to stop them from shaking.她看见他的下巴绷紧，脸色煞白。She saw his jaw tighten and his face lose its colour....
浮选操作法用于佛罗里达磷矿和科拉磷矿.Flotation is used for Florida and Kola rock.浮选是从液体中分离出低密度固体物或液态颗粒.Flotation is a process for separating low density solids or liquid particles from a liquid phase.介绍浮选机矿浆液位控制系统及其工业试验过程.Expounds liquid ...