ditchdigger
... 挖沟切土链 trenching chain; 挖沟余土 trench surplus; 挖沟者 ditchdigger ...
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救助者在海滩上挖沟把海水引到鲸鱼身边，志愿者往鲸鱼和海豚身上浇水，把湿布照在他们身上以保持凉爽。
Rescuers dug trenches in the sand to channel water close to the whales as volunteers doused them with water and draped wet fabric over their bodies to keep them cool.
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