Heliometer
n. 量日化
🗣️ 情景例句
Thank you.
谢谢你。
He that has a full purse never wants a friend.
只要袋里有，不愁没朋友。
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。