perforate的现在完成时怎么写

I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使鼓膜穿孔。In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔.The Ascaris adults may perforate a su...

vt.穿孔于，在…上打眼，（在纸张等上）打齿孔[孔眼线]...

perforate的一般过去时为：perforated...

perforate的现在进行时为：perforating...

perforate的音标：perforate的英式发音音标为：['pɜ:fəreɪt]perforate的美式发音音标为：['pɜrfəreɪt]...

I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使鼓膜穿孔。to perforate something with a pin用针在某物上穿孔In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚...

perforate的第三人称单数（三单）为：perforates...

mien的音标：mien的英式发音音标为：[mi:n]mien的美式发音音标为：[min]...

“制音器”的拼音为：zhì yīn qì...

“竖琴师”的英语可以翻译为：harpist 缩写为 Hpst ...

“道歉”的拼音为：dào qiàn...

n.造船业主，造船工程师，造船公司( shipbuilder的名词复数 )...

Provence的音标：Provence的英式发音音标为：[prɔ'vɑ:ns]Provence的美式发音音标为：[prə'vɑns, prɔ'vaŋs]...

stoop的近义词有：stoop, bend。下面这两动词均可表示"弯腰，弯曲"的含义：stoop：通常用于人，指屈膝降低身体高度或低头弯腰。常引申作屈从或不顾尊严。bend：指人指物皆可，含义广，指任何弯曲的动作。可引申作屈从解。...

methanator的音标：methanator的英式发音音标为：['meθəneɪtə]methanator的美式发音音标为：['meθəneɪtə]...

leucocianidol的音标：leucocianidol的英式发音音标为：[lu:'kəʊʃnaɪdɒl]leucocianidol的美式发音音标为：[lu'koʊʃnaɪdɒl]...

“度假”的拼音为：dù jià...

n.全能...

collochore的音标：collochore的英式发音音标为：['kɒləkəʊə]collochore的美式发音音标为：['kɒləkoʊr]...

ebullition的音标：ebullition的英式发音音标为：[ˌebə'lɪʃən]ebullition的美式发音音标为：[ˌebə'lɪʃən]...

煤矸石是我国最大的工业固体废物源.Coal gangue is the largest source of industrial solid waste in China.煤矸石是采煤业选煤的尾矿.Coal waste is tailings of coal concentration of coal - winning industry.煤矸石喷射水泥主要用于喷射混凝土.The gangue jet cement is mainly ...

It caused him to seek to embellish his most incontestable achievements.这使他想对自己最无可争议的成就加以吹嘘.It is incontestable that the patent technology implementation and industrialization are low here in China.我国专利技术实施和产业化率较低,是个不争的事实...