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癥加重.

Tear the sheet of stamps along the perforations.
沿齒孔把郵票撕開(kāi)。

Tear off the form along the perforations and send it to Sales...
沿著紙孔撕下表格，寄給銷售部。

When held to the light the small oblong leaves are seen to possess tiny perforations.
迎著光看時(shí)，就會(huì)發(fā)現(xiàn)橢圓形小葉子上有微小的孔眼。

The dangerous type chronic otitis media occurs with pars flaccida and marginal perforations.
慢性中耳炎的危險(xiǎn)型可出現(xiàn)鼓膜松弛部的穿孔和鼓膜邊緣性穿孔.

• #perforations