principal的复数形式怎么写？

Association of Principal and Senior Assistant Masters and Mistresses of Education Department.香港教育学院讲师协会.In the principal assays, the cytokinin usually in direct contact with the cells affected.在主要的鉴定法中, 细胞激动素通常是和受影响的细胞直接...

adj.最重要的，主要的，资本的，本金的n.校长，主要演员，主角，[法]委托人，当事人，本金...

principal的近义词有：chief, principal, main, major, leading, capital, foremost, primary,headmaster, principal, president。下面这些形容词均含有"首要的，主要的"的含义：chief：指人时，表同类中职位最高，权力最大；指物时，表同类中最重要，价值最高。principal：用于人时，指地位优于其他人；用于物时，指该物在大小、重要性等方...

principal的音标：principal的英式发音音标为：['prɪnsəpl]principal的美式发音音标为：['prɪnsəpəl]...

principal的近义词/同义词有：primary, chief, essential, prominent, foremost, leading, important, main, head, dominant, chief, important, paramount, leader, prominent, primary, predominant, governor, significant, central, main, fir...

The two principal combustion products are water vapor and carbon dioxide.两种主要的燃烧产物是水蒸气和二氧化碳。City's principal marksman was Joe Harvey who scored seventeen goals.市队的头号射手是打进17粒进球的乔·哈维。Donald King is the principal of Da...

n.未来( futurity的名词复数 )，未来的事...

n.铁白云石...

“宗派”的英语可以翻译为：faction，sect ...

bedclothes的音标：bedclothes的英式发音音标为：['bedkləʊðz]bedclothes的美式发音音标为：['bedkloʊðz]...

arteriograph的音标：arteriograph的英式发音音标为：[ɑ:tɪəra'ɪɒɡræf]arteriograph的美式发音音标为：[ɑtɪəra'ɪɒɡræf]...

n.后果，余波，再生草...

plant trees的音标：...

“二羟蒽”的英语可以翻译为：dihydroxy anthracene ...

nurse的近义词/同义词有：mind, sustain, foster, to, nurture, tend, for, care, nourish, feed, care, for, tend, sister, medicate, nourish, feed, harbor, to, treat, mother, nurture, mind, sustain, governess, foster。vt.nurse的近义词（养育;培育...

entrapping的音标：...

“占据”的英语可以翻译为：occupy，take over，hold，[植] colonization，inhabit ...

adv.绝望地，自暴自弃地...

fissure的近义词/同义词有：crack, split, opening, gap, break, crevice, break, craze, crack, split, gap, vacancy, opening, crevice。n.fissure的近义词（裂缝）：crack, split, opening, gap, break, crevice。fissure的近义词（其他释义）：break, craze, crack, ...

ichthymall的音标：ichthymall的英式发音音标为：[ɪkθɪ'mɔ:l]ichthymall的美式发音音标为：[ɪkθɪ'mɔl]...