Under a low magnification of 23x, this 2007 scanning electron micrograph depicts the fibrous configuration of a dry macrofoam sponge swab.是什么意思_Under a low magnification of 23x, this 2007 scanning electron micrograph depicts the fibrous configuration of a dry macrofoam sponge swab.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句