r under normal conditions
adv. 一般, 普通, 通常
1. People commonly use smartphones for communication.
人们通常使用智能手机进行交流。
2. It is commonly believed that exercise is good for health.
人们普遍认为锻炼对健康有益。
3. This type of bird is commonly found in tropical regions.
这种鸟类通常可以在热带地区找到。