他研究半导体材料。
He studies semiconductor materials.
semiconductor
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.
他研究半导体材料。
He studies semiconductor materials.
半导体行业变化很快。
The semiconductor industry changes fast.