他潜入了水里。
He submerged in the water.
to submerge; to infiltrate; to steal into
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.
他潜入了水里。
He submerged in the water.
鱼潜入了水底。
The fish dove to the bottom.