他参加了空军。
He joined the air force.
air force; (slang) to fail to catch anything (on a fishing trip); to get skunked
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
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Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他参加了空军。
He joined the air force.
空军在天空巡逻。
The air force patrols the sky.