clamp
/klæmp/
动词
（用夹具）夹紧，夹住
Clamp the two pieces of wood (together) for 15 minutes.
把两块木片紧紧夹在一起，夹15分钟。
紧紧抓住；牢牢固定住
He clamped his hand over her mouth.
他用手死死地捂住她的嘴巴。
/klæmp/
名词
夹具；夹钳；夹子
Carefully tighten the clamp until it firmly supports the pipette in a vertical position.
小心翼翼地把夹子夹紧，直到能把吸液管牢牢地垂直固定住为止。