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- Methods Compared the density of rats by tracking powder method in rooms and trapnight method in field compared the palatability by the decrease of poison bait. 方法室内用粉迹法、室外用鼠夹法调查灭前、灭后鼠密度并进行比较,用毒饵、基饵消耗量对比观察其适口性。
- 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。
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- Actually they even have vanilla powder. 实际上还可以加香草粉。
- 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。
- He takes a powder every morning. 他每天早晨吃一种粉状药。
- 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。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- Borax is a kind of white powder. 硼砂是一种白色粉末。
- Tracking wild animals requires great stealth. 跟踪野生动物必须悄然无声。
- Shaking will settle the chalk powder down. 晃一晃把粉笔末抖落下来。
- 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。
- Borax must be reduced to powder for infants. 硼砂必须研成细粉才能供婴儿使用。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- He crushed a piece of chalk to powder. 他将一支粉笔压成粉末。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- There's too much powder on your nose. 你鼻子上的粉擦得太多了。