| 释义 |
multigrade 英音 [ ˈmʌltiɡreɪd ] 美音 [ ˈmʌltiɡreɪd ] 释义 adj. (润滑油)多级通用的;多品位的;稠化了的 例句 1·This summer, OPS teachers who take on multigrade classes will receive special training. 这个夏天,奥马哈公立学校那些教授混合班的老师将接受一次特别的培训。 2·The elementary school in Missouri Valley, Iowa, will have two multigrade classes to help trim expenses. 位于衣阿华州密苏里谷(Missouri Valley)的一所小学,为了减少学校开销 ,也决定开办两个混合班。 3·The volatility and valve train wear are the two difficulties encounted inthe formulation of low viscosity multigrade engine oil. 研究和制备低粘度多级油应充分考虑挥发性和磨损。
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