perforate

现在分词：

动词现在分词: perforating

更多词形：

形容词: perforable | 名词: perfora-tor | 动词过去式: perforated | 动词过去分词: perforated | 动词现在分词: perforating | 动词第三人称单数: perforates |

单词例句：

Hard plastic enema tips can perforate the rectum.

硬的塑料灌肠嘴会刺破直肠。

To mark or perforate(a postage stamp or check, for example) to indicate that it may not be used again.

盖邮戳给（如一张邮票或支票）划上标记或打孔，以示它不能再被使用

Many things perfor (effectively) but not (efficiently).

许多事情表现得有效但缺乏效率。

With the collaboration of the elaborate evaporating system, the demonstration can perforate the decorated confidence of the concentrated audience without much illustration or frustration accurately.

在精细的蒸发系统的帮助下,演示能不用任何插图或挫折就穿过全神贯注的观众们矫饰的自信。

That is, Davey Johnston and I were about to perforate their nets.

也就是说眼看著约翰斯顿和我就要射网得分。

Three proteins in the tumor cells transport enzymes needed to perforate this barrier, and another protein puts these enzymes in the right place.

在肿瘤细胞转运酶中有三种蛋白质是刺穿这种屏障所必需的，另一种蛋白能把这些酶运送到合适的位置。

The toothed double-roll coal crushers designed and manufactured by our plant are reasonable in construction excellent in perfor mance and reliable in quality.

我厂设计制造的双辊齿牙式碎煤机结构合理、性能良好、质量可靠。

According to application , this is reliable in perfor mance ,good in operating and remarkable in economic benefit.

经实际应用，性能可靠、运行状态良好、经济效益显著。

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。