Acoustooptics
[复]n.[用作单][物]声光学
🗣️ 情景例句
How about a date with your grandfather?
和你爷爷约个会好吗？
Mary gave birth to a baby last week.
玛丽上星期做妈妈了。
It's much cheaper to camp than to stay in a hotel.
露营比住旅馆要便宜多了。