a wrench with a closed loop (a socket) that fits over a nut or bolt head
双语例句
The variable hexagonal box spanner is the synthesis of the manual screw spanner and the hexagonal box spanner. 可变六角套筒扳手则是对手动螺丝扳手和六角套筒扳手的综合。
We can reverse this pattern using specially generated adapter molecules made of antibodies that snap onto the arms of the virus like sockets on a socket wrench. 我们可以将抗体制成转接分子，接在病毒的手臂上，就像套筒扳手的套筒一样，来扭转这种情况。
