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, ...