Lightheartedness
n. 自由自在, 无忧无虑
🗣️ 情景例句
Hello, I would like to speak to ..., please.
喂， 我想找一下……
Now, seeing them all here together for the first time.
现在他们都到了这里。
The lake was not a natural one, but a man-made reservoir.
这不是一个天然湖泊，是一座人工修建的水库。