科研团队正在攻关难题。
The research team is tackling a difficult problem.
to storm a strategic pass; fig. to tackle a key problem
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.
科研团队正在攻关难题。
The research team is tackling a difficult problem.
项目进入了攻关阶段。
The project has entered the critical stage.