SCHIFFMAN: The students are looking through microscopes at a squirming green hydra and other tiny organisms. At a nearby table there are larger pond animals: snapping turtles, frogs and crayfish.是什么意思_SCHIFFMAN: The students are looking through microscopes at a squirming green hydra and other tiny organisms. At a nearby table there are larger pond animals: snapping turtles, frogs and crayfish.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句