grotto的复数形式怎么写？

Water trickles through an underground grotto.水沿着地下岩洞流淌。He smiled, and introduced them instantly into this " grotto. "他微微笑了一下, 立刻引她们到 “ 石洞 ” 去.The obliteration of the grotto was not only possible, but relatively easy.摧毁山洞...

We reached a beautiful grotto, whose entrance was almost hiden by the vine.我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。Water trickles through an underground grotto.水沿着地下岩洞流淌。The obliteration of the grotto was not only possible, but relati...

n.（吸引人的）岩洞，洞穴，（人挖的）洞室...

grotto的近义词/同义词有：cave, hole, cavern, tunnel, tunnel, den, opening, hole, cave, cavern。n.grotto的近义词（洞穴）：cave, hole, cavern, tunnel。grotto的近义词（其他释义）：tunnel, den, opening, hole, cave, cavern。...

grotto的音标：grotto的英式发音音标为：['grɒtəʊ]grotto的美式发音音标为：['grɑtoʊ]...

I took the precaution of clearing out my desk before I left.我临走时特地事先把办公桌清理了一下。I took the precaution of locking money in the safe.我把所有的钱都锁在保险箱里以防万一.Could he not, just as a precaution, move to a place of safety?...就算仅仅是为了以...

illness的反义词有：health, good, health。n.illness的反义词（疾病;不快）：health。illness的反义词（其他释义）：good, health。...

测肛器...

v.支持，赞同，批准( countenance的过去式 )...

He looked suddenly sombre, pensive.他突然看起来很阴郁，一副忧虑的样子。He became so pensive that she didn't like to break into his thought.他陷入沉思之中,她不想打断他的思路.What are you so pensive about?你这么专心,在想些 什么 ?...

照相标题字: 用照相方法经菲林母片影排标题字的方法.Photolettering: Method of setting display sized type photographically from film master.标题字机: 专门排标题大字的机器.Headliner: Machine to produce larger sizes of type for headings....

epigrammatic的音标：epigrammatic的英式发音音标为：[ˌepɪɡrə'mætɪk]epigrammatic的美式发音音标为：[ˌepɪɡrə'mætɪk]...

n.丙磺舒，羟苯磺丙胺...

“别丁”的英语可以翻译为：itin，bithionol （硫双二氯酚，抗肺吸虫药） ...

Beijerinckia的音标：...

“定域”的英语可以翻译为：localization ...

“焦煤”的拼音为：jiāo méi...

convict的近义词有：prisoner, captive, convict,sentence, condemn, judge, convict, doom。下面这些名词均含"囚犯，俘虏"的含义：prisoner：指关入监狱的囚犯，包括战俘，也可作引申用。captive：指战争中抓到的俘虏，也可作引申用。convict：指经判决而在狱中服刑的人。下面这些动词均含有"判决，宣判"的含义：sentence：法律用词，指根据罪犯所犯罪行的轻...

There are a lot of preliminaries to be gone through before you can visit certain foreigners.在访问某些外国人之前要做好许多准备工作。It had taken about ten minutes to cover the preliminaries.准备工作大概花了10分钟。It had taken about ten minutes to cov...

ignoramus的复数形式为：ignoramuses...