Desi
n. （美）指定击球员（等于designated hitter）
🗣️ 情景例句
I don't think I have a mathemationcal brain.
我想我没有数学头脑。
Idle folks lack no excuses.
懒汉辩解，何患无词。
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。