Fluid friction
[化] 流体摩擦
🧩 词语组成解析
🗣️ 情景例句
May I ask who's calling?
请问你是谁？
I couldn't care less.
我不在乎。
or through hiring it, the total expense can be far less than the cost of hotels.
总费用算起来要比住旅馆开支少得多。