1. His bulgy muscles showed that he was a dedicated weightlifter.
他突起的肌肉表明他是一位专注的举重运动员。

2. The bulgy backpack was difficult to carry for long distances.
这个鼓起的背包在长距离携带时很难。

3. The bulgy tire indicated that it needed to be replaced.
鼓起的轮胎表明需要更换。