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• be no match for
• check all the boxes
• commit to memory
• gotcha journalism
• head cold
• kerf
• musical chairs
• nuisance
• quintuplet
• quite a ride
• run a fever
• run-down
• spectrographic
• stumble upon
• think the world of
• united front
• where the sun don't shine

kerf

[kɜːf]

释义

n. 截口；切口
a deep cut a few inches high, used to undermine a portion of a coal or mineral seam.

例句
Leonard: I-I know my laser would be way more efficient. They're gonna lose so much meteorite due to kerf loss. (The Big Bang Theory)
莱昂纳德：我知道我的激光会更有效。他们将因为切口损失导致失去很多的的陨石。（生活大爆炸）