(单词翻译:单击)
可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。
Where to start to teach their children self-defense skills.
从哪里开始教孩子自卫技能
Create a code
创建一个代码
Another great idea you should adopt when raising children is to create a code that lets them know who is safe to be near them.
在抚养孩子时，你应该采纳的另一个好主意是创建一个代码，让他们知道谁在他们身边是安全的。
If someone other than you came to pick you up, they probably know the secret code they were given in advance, so they know it's safe to go with them.
如果是你以外的人来接你，他们很可能知道他们事先知道的密码，所以他们知道和他们一起去是安全的。
And if that person doesn't know the code, you're not allowed to go anywhere with them.
如果那个人不知道密码，你就不能带他去任何地方。
【知识点讲解】
pick up v. 捡起；收集；继续
例句：
He picked up his knife and fork.
他捡起了刀叉。
He picked up the child and put her on his shoulders.
他抱起孩子让她骑在自己的肩膀上。
He picked up news from all sources.
他从各种渠道收集消息。
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