Symptoms: the enlarged liver may cause breathing difficulties as the organ compromises the body cavityspace.
症状：扩大后的肝脏可能导致呼吸困难，身体器官的妥协腔空间。
2
Infrared observations have shown that the explosion took place in a cavity in space.
红外线观测表明爆炸发生在太空的一个空洞里。
3
The ideal space for a new hive can be difficult to find: the opening should be small, about 10 meters off the ground, and lead to a 40-liter cavity inside a sturdy, living tree.