Tetrachord
n. 四音音列, 四弦琴
🗣️ 情景例句
Can I count on you to help me?
我能仰仗你的协助吗？
Care brings grey hair.
忧虑催人老。
Insularity and self-containment, it is argued, go hand in hand.
他们争论说，心胸狭窄和自我封闭是并存的。