n. the activity of laughing; the manifestation of joy or mirth or scorn
n. 笑, 笑声
[医] 笑, 大笑
1. Laughter is the best medicine for a bad day.
笑声是度过糟糕一天的最佳良药。
2. The children filled the room with laughter during the party.
聚会上，孩子们的笑声充满了整个房间。
3. I love to hear your laughter; it makes me happy.
我喜欢听到你的笑声；这让我很快乐。