Descending tract
[医] 下行束
🧩 词语组成解析
a. 下降的, 下行的\\n[计] 递减
tract
[trækt]
n. 大片土地;（神经纤维的）束;小册子;<古>一段时间，长时间;
🗣️ 情景例句
You don't know me.
你不认识我。
She's free on Friday and Saturday.
她周五和周六有空。
Put them away, please. You must look after your things.
把他们放好。你得能看好自己的东西。