Heptachord
n. 七弦琴, 七声音阶
🗣️ 情景例句
to read to the students--their own children, really.
共同为学生们， 其实就是他们自己的孩子， 朗读
I'm afraid you're too critical about your food.
我怕你对食物太挑剔了。
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是认真和资深的科学家，他们一直梦想着把人送上火星。