简体
繁體
pīnyīn
ㄅㄆㄇㄈ
wàiké
envelope
外壳 (外殼)
envelope; outer shell; hull; cover; case
Not found in HSK word list
Appears in 1.2174% of movies
12090th most common word in movies
8773rd most common word in books
CC-CEDICT