Lightheartedness
n. 自由自在, 无忧无虑
🗣️ 情景例句
But I'm thirsty.
可是我渴了。
An idle youth, a needy age.
少壮不努力，老大徒伤悲。
Tricycles are lined up on the floor of the pool seven feet under water.
三轮车并排放在7英尺深的游泳池底上。