inside

He realized too late that he had locked his car keys inside the vehicle.

(Chinese) 他意识到得太晚了，他把车钥匙锁在车里了。

The jeweler used a magnifying glass to look inside the watch's mechanism.

(Chinese) 珠宝商用放大镜查看手表机械装置的内部。

The outside of the fruit is rough, but the inside is sweet and juicy.

(Chinese) 这种水果的外面很粗糙，但内部却甜美多汁。

They repainted the inside of the house with a bright white color to make it look larger.

(Chinese) 他们用明亮的白色重新粉刷了房子的内部，使其看起来更大。