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- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- What made the Roman Empire decay? 罗马帝国为何衰亡？
- Old civilization may fall into decay. 古老的文化可能会渐渐衰落下去。
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- The tree exhibited signs of decay. 那棵树显示腐蛀的迹象。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- His mental decay is distressing. 他的智力衰退令人苦恼。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- Growth and decay are vital processes. 生长和衰亡是生命过程。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙，未见有龋齿。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- Human remains, especially after cremation or decay. 骨灰人的遗骸，尤指在火化或腐烂后
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
