Lightheartedly
adv. 自由自在地, 无忧无虑地
✅ 同义词
🗣️ 情景例句
I didn't quite catch your name.
对不起，我没听清楚你的名字。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。