Setsquare
n. 三角板
🗣️ 情景例句
What's the best place for souvenir hunting?
在哪儿可以买到最好的纪念品？
Come back!
回来！
There are one hundred thousand million stars in our own Milky Way alone,
仅我们的银河系就有1000亿颗恒星，