Effusiometer
[化] 隙透计; 扩散计; 气体扩散计
🗣️ 情景例句
Oh, you think you're going to have a hard time
你认为需要大费周折
Please give my best regards to your family.
请代我致最高的敬意，向你的家人问好。
Are you in Row 4?
你是在第四排吗？