Cira
[医][=chromatographic infrared analyzer]红外色谱分析仪
🗣️ 情景例句
He gave them to me to hold on to them
他给我戒指， 要我自己保管，
Did you have fun?
你玩得开心吗？
Where did you learn to speak English?
你从哪里学会说英语的呢？