It was wanton, moronic vandalism.这是无端、愚蠢的恶意破坏。the wanton destruction of public property对公物的恣意破坏Wanton violence is now becoming a regular feature of urban life.肆无忌惮的暴行在城市生活中越来越司空见惯。...this unnecessary and wanton destructi...
天文学家能够测定每颗恒星的亮度。An astronomer can determine the brightness of each star.星星的光亮度各不相同.Stars vary in brightness.用18瓦的荧光灯灯泡有同样的亮度，而用电量却减少75％。With an 18-watt fluorescent bulb you get as much light but use 75% less electricity....