在签订任何协定之前一定要先征求法律专业人士的意见。Always seek professional legal advice before entering into any agreement.把这一协定强加于全体国民显然是错误的。To force this agreement on the nation is transparently wrong.依据该协定，越南有权随时选择退出。Under the agreement the V...
For flash photography, set the aperture at f.5.6.用闪光照相，要把光圈孔径定为5.6。The optimum aperture of an aerator is smallest at the water depth of 4 m.一般水深在4m左右,曝气器的最优孔径最小.Use a small aperture and position the camera carefully.用小光圈...
He had to lean on Dan to keep from falling.他不得不靠在丹身上以免摔倒。I horse around quite a lot, just to keep from getting bored.我胡闹了一阵儿, 只是为了摆脱厌烦.He couldn't keep from laughing.他禁不住笑了....