They range in size from the microscopic flagellate Micromonas to giant kelp that reach 200 ft (60 m) in length.是什么意思_They range in size from the microscopic flagellate Micromonas to giant kelp that reach 200 ft (60 m) in length.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句