动词短语
中文翻译：打开洞
同义词：
['drill', 'blast', 'dig', 'excavate例句：1. The workers were instructed to open the holes in the wall before they started building.（工人们被指示在开始建造之前先在墙上打洞。）2. The engineers decided to open a few more holes to allow for better ventilation.（工程师们决定再开几个洞以便有更好的通风。）']
例句：
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1. The workers were instructed to open the holes in the wall before they started building.
工人们被指示在开始建造之前先在墙上打洞。
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2. The engineers decided to open a few more holes to allow for better ventilation.
工程师们决定再开几个洞以便有更好的通风。
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3. The cave was so deep that it took several days of drilling and digging to reach the bottom.
这个洞穴太深了，需要几天的钻探和挖掘才能到达底部。