Der
abbr. 区分编码规则（Distinguished Encoding Rules）
🗣️ 情景例句
Have a safe trip!
一路平安。
I'm afraid he will lose your money.
我怕他会浪费你的金钱。
Jim is writing. Lily isn't writing. She's looking at the blackboard.
吉姆在写字。莉莉没在写字。她在看黑板。