lichen的复数形式怎么拼写？

n.[植]地衣，苔藓vt.使长满苔藓...

...flat grey stones crusted with lichen...长着厚厚一层青苔的扁平状灰色石头The case was diagnosed as lichen sclerosus et atrophicus with localized scleroderma.患者诊断为硬化萎缩性苔藓合并局限性硬皮病.Objective : To study on the relationship between candida ...

The stone stairway was covered with lichen.那石级长满了地衣.Lichen is a form in which green or bluegreen algae and a fungus live together symbiotically.地衣是一种绿藻或蓝藻与一种真菌共生的形式.The case was diagnosed as lichen sclerosus et atrophicu...

lichen的音标：lichen的英式发音音标为：['laɪkən]lichen的美式发音音标为：['laɪkən]...

There is a certain impatience among some of the soldiers.有些士兵有点儿不耐烦。Infectious diseases are spreading among many of the flood victims.传染病正在遭受洪灾的很多灾民中蔓延。Remove the meat with a fork and divide it among four plates.用餐叉把肉叉走，...

酮丙糖...

我因感动而写下了几句诗。I have been moved to write a few lines of verse.他认为我很迷人，这真令我感动。I was touched to find that he regards me as engaging.迎接他的是大家齐唱《祝你生日快乐》，令他非常感动。He was greeted with a rousing chorus of Happy Birthday....

Fred的音标：...

n.柱，台柱，顶梁柱，墩，柱脚，（组织、制度、信仰等的）核心...

“四甲”的拼音为：sì jiǎ...

他们鄙视平庸的生活。They distain the commonplace life.她话锋一转,锐利地指向那对平庸的夫妇.She aimed her voice very pointedly at the colourless couple.好象他认为那是平庸的陈词滥调.He seemed to think it was the usual average nonsense....

Tim hemmed and hawed, but finally told his boss the truth.蒂姆起初支支吾吾，但最终还是把真相告诉了老板。He hemmed and hawed but wouldn't say anything definite.他总是哼儿哈儿的,就是不说句痛快话.He hummed and hawed, giving no definite reply.他闪烁其词, 不做肯定答复....

basilemma的音标：basilemma的英式发音音标为：['bæzaɪlemə]basilemma的美式发音音标为：['bæzaɪlemə]...

mesocecal的音标：mesocecal的英式发音音标为：['mesəʊsɪkl]mesocecal的美式发音音标为：['mesoʊsɪkl]...

“坝巴苷”的英语可以翻译为：arbaloin ...

monitor的一般过去时为：monitored...

n.（有袋目动物腹部的）育幼袋...

hexandial的音标：hexandial的英式发音音标为：['heksəndɪəl]hexandial的美式发音音标为：['heksəndɪrl]...

“野牛”的英语可以翻译为：wild ox，buff，buffalo，mossback，urus ...