immersion

Their immersion in their subjects leads to their success.

他们潜心研究课题，因此取得成功。

The wood had become swollen from prolonged immersion.

这块木头由于长时间浸泡而变大了。

She learned Chinese through immersion.

她通过沉浸式外语教学学习中文。

Progress is being made through immersion schools, because if you teach children when they're young it will stay with them as adults and that's the future.

浸入式学校正在取得进步，因为如果你在孩子小的时候教了他们，他们长大后还会记得，而这就是未来。