Quadrapole
四极子
🗣️ 情景例句
I want to buy shares in multi-national pharmaceutical company.
我想购买一家跨国医药公司的股票。
Many a little makes a mickle.
积少便成多。
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他们杀野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。