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单词
suction
释义
suction
NOUN
U
/ˈsʌkʃn/
1
the process of sucking air or a liquid from somewhere by creating a space without air that it can flow into 吸；抽吸；吸出
Doctors had to use suction to help pull out the baby.
医生们只得通过抽吸来帮着吸出婴儿。
2
the force by which two surfaces stick to each other when the air between them has been removed （由于真空状态产生的）吸力