corrugate的一般过去时怎么写？

Good stiffness, outer cover of corrugate or smooth surface finished is weather proof.胶管具有较好的挺性, 外胶层耐老化,表面有波纹型和平面型两种....

corrugate的现在进行时为：corrugating...

corrugate的音标：corrugate的英式发音音标为：['kɒrʊgeɪt]corrugate的美式发音音标为：['kɔrəˌɡet, 'kɑr-]...

corrugate的第三人称单数（三单）为：corrugates...

corrugate的现在完成时为：corrugated...

vt.（使某物）起皱褶，起皱纹，起波纹n.皱，车辙，畦，沟...

aspite的音标：aspite的英式发音音标为：[æs'paɪt]aspite的美式发音音标为：[æs'paɪt]...

明亮的流星，或者说陨石，是番难忘的景象。A bright shooting star, or meteor, is an unforgettable sight.我们目睹了一家人正在收拾家当准备离开的凄惨景象。We encountered the pathetic sight of a family packing up its home.庞大的海鸟群是最壮观的景象之一。Among the most spectacular sights...

“显贵”的拼音为：xiǎn guì...

dispense的现在完成时为：dispensed...

reverberating的音标：reverberating的英式发音音标为：[rɪ'vɜ:bəreɪtɪŋ]reverberating的美式发音音标为：[retɪŋ]...

yearns的音标：...

“起身”的英语可以翻译为： get up，get out of bed，leave，set out，rise ...

“叶脉”的英语可以翻译为：[植] leaf vein，vein，nervation，nerve，nervure ...

n.丝状菌瘤...

长杀草...

Clubs became more like brotherhoods for the jobless and fans would do anything for them.俱乐部变得更像是失业者协会,球迷愿意为其做任何事情....

黏液菌孢子丝，孢丝...

“断然”的拼音为：duàn rán ...

micronutrient的音标：micronutrient的英式发音音标为：[ˌmaikrəu'nju:triənt]micronutrient的美式发音音标为：[ˌmaɪkro'nutriənt, -'nju-]...