Packless pump
[化] 无填料泵
🧩 词语组成解析
[化] 未包装的; 无填充的; 无填料的
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Dr. Tyler's office. Good morning.
早上好，泰勒医务所。
If you have no hand, you cannot make a fist.
巧妇难为无米之炊。
gradually, and often quite swiftly,
那么渐渐地，往往也是很顺利地，