| 1. | The worms have perforated the mucosa to suck blood . 虫体钻入粘膜吸血。 |
| 2. | Perforated plates correspond to heterogeneous media . 多孔板相当于均匀介质。 |
| 3. | Hard plastic enema tips can perforate the rectum . 硬的塑料灌肠嘴会刺破直肠。 |
| 4. | The ulcer has perforated into the lesser omental bursa . 溃疡穿透到小网膜囊。 |
| 5. | The samples are collected in perforated polyethylene bags . 样品采集在有孔的聚乙稀袋中。 |
| 6. | The ulcer has perforated . 溃疡已穿孔。 |
| 7. | The new winter ventilation system consisted of a perforated plastic tube . 新的冬季通风系统由带孔的塑料管组成。 |
| 8. | In advanced stages the opaque corneas may ulcerate and even perforate . 在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔。 |
| 9. | The vital importance of the early recognition of perforating appendix is unmistakable . 能够早期辨明阑尾正在穿孔是极端重要的。 |
| 10. | The ascaris adults may perforate a suture line or cause a bile or pancreatic duct obstruction . 成虫可穿破缝线或引起胆管或胰腺管阻塞。 |