adj.穿孔的；鑿孔的

動(dòng)詞perforate的過去式和過去分詞.

Sheets of postage stamps are perforated. 一張張的郵票都打過接縫孔。

It is said that the patient had perforated ulcers. 據(jù)說該病人以前有過潰瘍穿孔。

I was standing on the surface of a perforated sphere. 我站在地球表面,它千瘡百孔。

The samples are collected in perforated polyethylene bags. 樣品采集在有孔的聚乙稀袋中。

The new winter ventilation system consisted of a perforated plastic tube. 新的冬季通風(fēng)系統(tǒng)由帶孔的塑料管組成。