Pernutation
[计] 置换
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
You're not yourself today.
你今天不太对劲。
Rays from the sun excite and energize the atmosphere of the earth,
太阳光刺激了地球的大气层，并给予它能量；