讀音不相同:/ˈruːlər/，/ˈpjuːpl/He cracked me on the head with a ruler.
他用尺子猛擊我的頭部。
The ruler cracked and splintered into pieces.
尺子裂了，碎成了片。Pupils contract in bright light.
瞳孔在明亮的光線下會收縮。
The school has over 400 pupils.
這所學校有400多名學生
These complex formulae are beyond the grasp of the average pupil.
這些複雜的公式是一般小學生不能理解的。
Peter is a primary school pupil.
彼特是一名小學生。
