Jones reductor
[化] 琼斯还原管
🧩 词语组成解析
jones
[[dʒəunz]]
n. 琼斯（姓氏）
n. 减速器, 减压器, 还原器, 还原剂\\n[医] 还原剂, 复位器
🗣️ 情景例句
How many stops will the train make on the way?
路上火车停几站？
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
Last spring my wife suggested that I call in a man to look at our lawn mower.
今年春天，妻子让我请人检查一下我家的割草机。