Oxymeter
量氧计
🏥 医学释义
血氧测定器
🗣️ 情景例句
What's that?
那是什么？
Is the departure time on schedule?
起飞时间准时吗？
How Harry managed to keep a straight face during these performances is quite beyond me.
我实在想像不出哈里在这些表演中是怎样装出一本正经的样子的。