n. cutting stylus ; stylus
日晷的主要部件是由一根晷针和刻有刻线的晷面组成，随着太阳在天空运行，晷针的投影像钟表指针一样在晷面上移动，就可以指示时辰。
The main parts of a sundial are an erect stylus and a calibrated disk. As the sun moves in the sky, the shadow of the stylus moves like a clock hand around the disk indicating the hours.
可那一刻，我变成了一个倔强反叛的孩子：就是会把大头针摁进小猫身体来取乐的那种；
Suddenly I was hard-bitten and recalcitrant, the kind of kid who took pleasure in sticking pins into cats;
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