We find that enhancing users' sense of security can only reduce the impact of im worm, but can not slow down its propagation.
单独增强用户的安全意识只能减少病毒的感染范围，不能减缓病毒的传播速度。
The slow-worm is in fact not a snake but a legless lizard.
蛇蜥其实不是蛇，而是无脚的蜥蜴。
The worm gear functions to slow down and increase torque. Its output shafts spur four-bar linkage by which the movement is changed from rotary to swinging.
蜗轮蜗杆机构的作用是减速增扭，其输出轴带动四连杆机构，通过四连杆机构把连续的旋转运动改变为左右摆动的运动。
The worm gear functions to slow down and increase torque. Its output shafts spur four-bar linkage by which the movement is changed from rotary to swinging.
蜗轮蜗杆机构的作用是减速增扭，其输出轴带动四连杆机构，通过四连杆机构把连续的旋转运动改变为左右摆动的运动。
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