pumps
动词
1.
2.
泵
draw (milk) from the breast using a breast pump, typically in order to feed a baby by means of a bottle.
示例:
•
she struggled with pumping enough milk
名词
1.
泵
a mechanical device using suction or pressure to raise or move liquids, compress gases, or force air into inflatable objects such as tires.
示例:
•
a gas pump
2.
泵
an active transport mechanism in living cells by which specific ions are moved through the cell membrane against a concentration gradient.
示例:
•
the bacterium's sodium pump
在 Lingoland 学习这个单词