酸通常是酸性的，它们能把它们接触到的东西腐蚀成洞或毁掉。
Acids are usually sour and can often burn holes in or damage things they touch.
洞大约有30米长，里面有一个或多个小巢。
Hole about 30 meters long, there are one or more small nest.
用一把锋利的刀或剪刀在杯子的一端剪开一个洞。
Use a sharp knife or some scissors to cut a hole in one side of the cup, near the base.
墓群以小型土坑墓为主，并有少量土洞墓，中型墓均为砖室或石室墓。
The majority of tombs are small in size, and earth pit or cave in shape.
墓群以小型土坑墓为主，并有少量土洞墓，中型墓均为砖室或石室墓。
The majority of tombs are small in size, and earth pit or cave in shape.
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