Radiocolloid
[化] 放射性胶体
🗣️ 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。
He's the same as always.
他还是老样子。
I turned on the radio. She stopped crying and listened to the music.
我打开收音机，她不哭了，听音乐。