房间震了一下。
The room shook once.
to shake; to vibrate; to jolt
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
房间震了一下。
The room shook once.
爆炸震动了全城。
The explosion shook the whole city.