Spyware
间谍软件；后门程式
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
This product is doing very well in foreign countries.
这种产品在国外很畅销。
You need to wear lots of warm clothes.
人们要穿很多的保暖的衣服。