1. This gas is hydrogen sulfide, rises up and mixes with oxygen in the underground water that sits in the cracks and fissures in the limestone. 这种气体是硫化氢,上升后与石灰岩裂缝中地下水的氧气混合。
2. In the fissures of rock. 在岩石的裂缝。
3. The fissures have been dubbed tiger stripes. 这些裂缝有个绰号,叫虎纹。
4. Even then those fissures could be seen. 那些裂缝当时就可见。
5. The occurrence of iatrogenic fractures or fissures was documented. 记录下标本发生的医源性骨折和骨裂。