Ppo
abbr. 聚对苯氧化物（poly - p - phenylene oxide）；胃蛋白酶最大排泄量（peak pepsin output）
🗣️ 情景例句
Did you enjoy yourself last weekend?
上周末你过得开心么？
Please tell him to stop speaking.
请告诉他不要讲话。
As his flat is in a large town, he has no garden of his own.
他住在大城市里的一所公寓里，没有自己的花园。