The explosion perforated his eardrum.
爆炸震破了他的耳膜。
a perforated line(= a row of small holes in paper, made so that a part can be torn off easily)
齿孔线
1.穿孔于,凿孔于,冲孔于,穿
2.在(纸)上打眼;打透(花字);打一排孔于(邮票等)
3.穿孔
4.穿过;贯穿;刺穿 (into, through)
1.穿孔于,凿孔于,冲孔于,穿
2.在(纸)上打眼;打透(花字);打一排孔于(邮票等)
3.穿孔
4.穿过;贯穿;刺穿 (into, through)
1.(邮票等)有孔的,穿孔的,有一排孔的
1.to make a hole or holes in something
2.to make a line of small holes in paper to make tearing it easier
3.to penetrate or pass through something
1.dotted with small holes
2.dotted with transparent spots
1.Orifices perforate the piston and allow fluid to leak through as the piston moves up and down in the pressure tube.
打有小洞的活塞就会随着活塞的上下运动，使避震器内的液压油通过小孔在压力管内流动。
2.The result of analysis shows that the perforate of tube is due to the co-operation of superfluous chlorine ions in water with other factors.
分析结果表明：管子的穿孔主要是由于水中过量的氯离子及其它因素的共同作用所导致的。
3.All the patients did not perforate and infect after the treatment.
所有患者均无治疗后穿孔、感染。
4.If the ulcer penetrates through the muscularis and through adventitia, then the ulcer is said to "perforate" and leads to an acute abdomen.
如果穿透肌层和外膜层，即发生溃疡穿孔，导致急腹症。
5.This one looks rather like a sponge: thousands of parallel channels perforate a thin wafer of silicon.
这个棘齿看起来比较像纱布：数以千计的平行孔道贯穿一片薄薄的矽晶圆。
6.It diagnoses channeling out of casing and perforates holes expecting to perforate intervals when gas exists in the reservoir.
在储层含气时，用于判断套管外是否窜槽、射孔井段是否已正确射孔。
7.Methods Perforate the outside breastwork of nasal cavity and dacryocyst underwent transnasal endoscopic used microwave and electric drill.
方法鼻内镜直视下在鼻腔外侧壁联合应用微波、电钻对骨壁及泪囊进行开窗。
8.A device used to perforate oil and gas wells in preparation for production.
对准备生产的油气井进行射孔所用的装置。
9.But it does have a blunt tip, so that if it accidentally goes into my finger, it's much less likely to perforate .
但是顶端比较钝，所以一旦发生意外，针刺到我的手指，不是那么容易被刺穿。
10.Bacteria and parasites often use special toxins to perforate the membranes of target cells.
细菌和寄生虫经常利用特殊的毒素穿孔于靶细胞的细胞膜。