perforations造句

In addition, chronic tympanitis, perforations, swimming is also easy to make water.
此外, 患有慢性中耳炎 、 鼓膜穿孔的人, 下水游泳也容易使炎症加重.

Tear the sheet of stamps along the perforations.
沿齿孔把邮票撕开。

Tear off the form along the perforations and send it to Sales...
沿着纸孔撕下表格，寄给销售部。

When held to the light the small oblong leaves are seen to possess tiny perforations.
迎着光看时，就会发现椭圆形小叶子上有微小的孔眼。

The dangerous type chronic otitis media occurs with pars flaccida and marginal perforations.
慢性中耳炎的危险型可出现鼓膜松弛部的穿孔和鼓膜边缘性穿孔.

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