spec. A dredger for sweeping the sea-bed, consisting of a bar to which are attached a number of hempen ‘mops’, in the fibres of which the more…
| 单词 | θ20228 |
| 释义 | the world > life > biology > laboratory analysis > material > [noun] > sample > tool for collecting samples (3) tangle1882 spec. A dredger for sweeping the sea-bed, consisting of a bar to which are attached a number of hempen ‘mops’, in the fibres of which the more… bottom sampler1898 a grab for dredging samples from the bottom of a lake or the sea bed. slit sampler1941 a device for studying the bacterial content of the air, having a slit through which it is drawn. |
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