1. The sky was a beautiful shade of bluet during the morning sunrise.
早晨日出时，天空呈现出美丽的蓝色。
2. The bluet is a small flower that blooms in the spring.
兰花是一种在春天开放的小花。
3. I connected my phone to the speaker using bluet technology.
我使用蓝牙技术将手机连接到扬声器上。