Nonintrusive
adj. 无干扰的，免侵入的
🗣️ 情景例句
The work is not as difficult as you think.
工作不像你想象的那么难。
We'll start with an orientation video. It runs about 15 minutes.
我们将从一个电视简报开始，大概放15分钟。
A noise?
一阵响声？