Heptachord
n. 七弦琴, 七声音阶
🗣️ 情景例句
I see. By the way, what benefit can we get if we act as your agent?
明白。顺便问一下，假如我们做你们的代理会有什么好处？
He operates the crane.
他在操纵起重机。
Many of the stars cannot be seen because they are too far away.
许多星星我们之所以看不见，是因为它们离我们太远。