Grammatical information helps learners to encode sentences.语法信息可以帮助学习者正确造句。Spies used a scrambler to encode their messages.间谍使用倒频器把他们的情报译成密码。The two parties encode confidential data in a form that is not directly readable by the other party.双方以某种形式将机密数据加密，这样对方就不能直接读取。