笑

例句：

1. 1. She gave a big smile when she saw her friend.
   她看到朋友时露出了灿烂的笑容。
2. 2. He always has a smile on his face when he wakes up in the morning.
   他每天早上醒来总是面带微笑。
3. 3. The little girl smiled at the camera and waved goodbye.
   小女孩对着镜头微笑挥手道别。