The teacher used a ruler.
老师用了一把尺子。
She measured the desk with a ruler.
她用尺子量了桌子。
The ruler is on the table.
尺子在桌子上。
He drew a straight line with a ruler.
他用尺子画了一条直线。
I need a ruler for my homework.
我需要一把尺子做作业。
The ruler is 30 centimeters long.
尺子长30厘米。
Can you pass me the ruler?
你能把尺子递给我吗？
The ruler has a metal edge.
尺子有金属边。
She bought a new ruler.
她买了一把新尺子。
He broke the ruler by accident.
他不小心弄断了尺子。
复数: rulers;
