点击下方单词,选择对的这个单词
形容词
1. 外部的;外面的;外来的External is used to indicate that something is on the outside of a surface or body, or that it exists, happens, or comes from outside.
形容词surfaceouterexterioroutside
形容词internal
多通过句子记忆单词，而不是单独死记硬背。
