Semipermeability
半渗透性
🗣️ 情景例句
She has the ability to speak English fluently.
她能够流利地说英语。
He's studying his lesson.
他正在学习课程。
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
轮船船期可能因风暴而推延，飞机航班可能因恶劣天气而取消，唯有火车必然是准点的。