n. 内部, 内脏, 内幕
a. 内部的, 秘密的, 户内的
adv. 在里面
prep. 在...之内
英文释义
n. the region that is inside of something
n. the inner or enclosed surface of something
a. relating to or being on the side closer to the center or within a defined space
s. being or applying to the inside of a building