单词：perforated
音标：['pɜ:fəreɪtɪd] ；
v. 穿孔于, 在…上打眼( perforate的过去式和过去分词 ); （在纸张等上）打齿孔[孔眼线]
s. having a number or series of holes
词性分布：
perforated的用法和样例：
例句
用作形容词(adj.)
- Sheets of postage stamps are perforated.一张张的邮票都打过接缝孔。
- It is said that the patient had perforated ulcers.据说该病人以前有过溃疡穿孔。
- I was standing on the surface of a perforated sphere.我站在地球表面,它千疮百孔。
- The samples are collected in perforated polyethylene bags.样品采集在有孔的聚乙稀袋中。
- 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。
词汇搭配
- perforate穿孔于
- perforated screen多孔板筛
- perforated tray多孔板
- perforated bottom多孔底
- perforated casing带眼的套管
- perforated roller有孔滚筒
- perforated skimmer漏勺,多孔撇渣器...
- perforated stone多孔石,穿孔石...
- perforated chaplet箱式泥芯撑
- perforated film打孔胶片
- perforated mixer多孔混合器
- perforated tape穿孔带
- perforated cylinder多孔转筒,圆筒筛...
- perforated plate多孔板
- perforated panel穿孔板
- perforated sheet穿孔金属片
- perforated brick多孔砖
- perforated pipe穿孔管,多孔管...
- perforated grill穿孔板
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发表于:2018-11-28 / 阅读(420) / 评论(0)
疯狂英语2003年
疯狂英语2003年