Derivations
n. 发展( derivation的复数形式 ); 起源; 派生; 词源
🗣️ 情景例句
you're going to give me the answer to that question.
是要给我这个问题的答案。
Never (or Don't) trouble trouble till trouble troulbes you.
切莫自寻麻烦。
They are often more industrious, useful citizens than those who are never late.
他们与那些从不迟到的人相比，常常是更勤奋有用的公民。