有一天，艾力克斯和山姆在乱玩他们的手机。

2. screengrab the picture 截图

例句：So she screengrabbed the picture and sent it to her friends.
于是她截下荧幕上的照片，并把它寄给她的朋友们。

3. sent it to 发送到，送到

例句：And they sent it to theirs. And the next day at school...

然后他们又寄给他们的朋友。隔天在学校...

4. the effects can be devastating 后果可能不堪设想

例句：Sometimes, children share things they shouldn't online, and the effects can be devastating. Help keep your child safe.
有时候，孩子们在网路上分享一些不该分享的东西，而那后果可能不堪设想。帮忙让你的孩子免于伤害。