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
They gave a banquet in honor of the delegation.
他们设宴招待代表团。
May I have a customs declaration form, please?
请给一份海关申报表好吗？
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说