风险不可能完全消除，但可以通过防范和培训来降低。You could never eliminate risk, but preparation and training could attenuate it.你把这个给克拉维斯看会有很大的风险。You're taking a big risk showing this to Kravis.不幸的是，容易感冒是这个行业的职业性风险。Catching colds is unfort...
Mr Wills unfolds his story with evident enjoyment.威尔斯先生喜形于色地讲述自己的经历。The plot unfolds at a plodding pace.情节缓慢展开。The story unfolds as the film goes on.情节随着影片的进展逐步展开....
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.Levers and pulleys are simple machines.杠杆和滑轮是简单机械.Among them were rickshaw pulleys, peddler...
舟山群岛蚁科记述 ( 膜翅目、蚁科 )NOTES ON ANTS FROM ZHOUSHAN ISLANDS, ZHEJIANG ( HYMENOPTERA: FORMICIDAE )云南平结蚁属二新种 ( 膜翅目: 蚁科 )TWO NEW SPECIES OF THE ANT GENUS Prenolepis FROM YUNNAN CHINA ( Hymenoptera: Formicidae )...