入口: 1.(进入嘴中) enter the mouth 短语和例子难于入口 have a nasty taste; 不可入口 ! not to be taken orally!2.(进入的门或口儿; 输入) entrance; entry; inlet; introitus; aditus; throat; threshold 短语和例子车站入口处 entrance to the
地下: 地下1.(地面之下) underground; subterranean 短语和例子他们在地下呆了两天。 they stayed under ground for two days.2.(秘密活动的) secret (activity); underground 短语和例子地下党 the underground party; the underground party or