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
Can you give me a hand with my homework?
你能帮忙教我做家庭作业吗？
Kennedy Airport, please. I have to be there by 7:00.
请到肯尼迪机场。我得在七点前赶到那儿。
It is recounted of Thomas Carly1e that when he heard of the illness of his friend,
他听说朋友病了，