light trap

• 光挡,遮光灯罩,光阱,陷光器

light trap的用法和样例：

例句

1. Grier and his students manipulated two tweezers to measure the interaction between microscopic beads.Each tweezer captured one bead and, when the trap was turned off, released it.
   葛利尔和学生就用两把光钳测量微粒间的交互作用，每把钳子紧抓住一颗微粒，然后关掉光阱释放该粒子。