optical tweezerspl.n.(used with a sing. or pl. verb)（复数名词）（与单数或复数动词连用）
A technique that uses a single-beam laser directed through an objective lens to trap, image, and manipulate micron-sized particles in three dimensions.光学钳子：引导单束光激光穿过物镜于补捉、成像并于三度空间操纵微米大小粒子的技术