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... finger one's beads拨念珠 get a bead on向…瞄准 recite the beads祷告 ...
Its powerful lenses and processors can get a bead on an eyeball of a moving person from 5 feet away.
FORBES: Magazine Article
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。