他在做试验。
He is doing an experiment.
experiment; test; to experiment
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.
他在做试验。
He is doing an experiment.
试验数据可靠吗?
Are the experiment's data reliable?