external module外部: outside; external定義一個外部組件,并引用它時用到: initclip鼠標(biāo)是否可從外部組件移除: mouse.removelistener內(nèi)部組件: internal component氣缸體和內(nèi)部組件: engine block and internal components下載手機(jī)詞典可隨時隨地查詞查翻譯