Jones reducer
[化] 琼斯还原管
🧩 词语组成解析
jones
[[dʒəunz]]
n. 琼斯（姓氏）
n. 渐缩管, 缩减者, 还原剂\\n[化] 变径段; 变径管; 异径管; 大小头; 还原剂; 减速器; 减振器; 节流器
🗣️ 情景例句
if people took the time to read.
只要人们肯花时间去阅读。
What did the doctor say?
医生怎么说？
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。