Block and tackle: Combination of pulleys with rope or cable, commonly used to augment pulling force.滑轮和滑车组: 带绳索和缆绳的滑轮组, 通常用于增大拉力.the tensile strength of rope绳索的抗拉强度Runs works loose your rope, retrieves the hope already l...
They skip rope and play catch, waiting for the bell.他们又是跳绳，又是玩接球，等着上课铃声响起。He used a rope to mark off the circle.他用绳子把那个圈围了起来。The King has merely given the politicians enough rope to hang themselves.国王只不过是给了这些政客自缚的绳子。...
只见亮闪闪的蓝色羽毛一闪，一只松鸦从刺柏丛中钻了出来。A jay emerged from the juniper bush in a flash of blue feathers.他也因为那只松鸦持续不断地跟着他而更生气.He was further annoyed by the jay bird which followed him persistently.蓝松鸦衔着围巾飞来了.Blue Jay flew in the scarf...
The static simulation study Ceratophyllum purification of eutrophic water capacity.通过静态模拟实验,研究金鱼藻对富营养化水体的净化能力.The removal of algae in eutrophic water body by OH was studied.OH自由基,将富营养化水体中的藻类光催化氧化去除.Microcystin ( MCYSTs, ...