Proportioners
(proportioner 的复数) 配合加料器[漏斗], 比例调节器, 定量器
🗣️ 情景例句
Neither can I.
我也一样。
Knowledge will not be aquired without pain and application.
不花力气，不下功夫是得不到知识的。
and has achieved whatever work it was in him to do,
一切能做的都做了，