Laff
abbr. launcher air filtration facility 发射器空气过滤设备
🗣️ 情景例句
You have the spirit of a teenager, Susan.
你有一股青少年的朝气， Susan。
To ride a bicycle
骑自行车
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。