Hexachord
n. 六音音阶
🗣️ 情景例句
Have a good trip.
旅途愉快。
I can assuer you of our close cooperation.
我保证通力合作。
It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
他们很快便适应了游泳，以致能捡起池底的物品。