在他头顶的天花板上有一道很深的裂缝。There was a deep crack in the ceiling above him.帆船的船体上出现了一条裂缝。The yacht has sprung a leak in the hull.裂缝、凸起、剥落的勾缝和湿斑都意味着存在问题。Cracks, bulges, crumbling pointing and damp patches mean trouble....
Radar altimeters are used in aircraft to indicate height above the ground of sea.雷达高度表用以指示飞机相对于地面或海平面的高度.The parachute caps and altimeters must be wore, and parachute opener must be brought skydiving.参加跳伞比赛人员必须戴伞帽 、 佩带高度...
Dieters suffer from violent mood swings.节食者会有激烈的情绪波动。White fat is the energy - caching padding that vexes doctors and dieters.厚厚的白色脂肪储存能量,医生和减肥的人都为之烦恼.Since it is low in calories, rye bread is ideal for dieters.因为这卡路里低, ...
Common sense, or intuition, or selfevident truths derives from man's perceptions of the world about him.常识, 或直觉, 或显然的事实,来源于人们对周围世界的感觉.These truths were by no means self-evident when Galileo first suggested them.伽里略首...