liǎng tiáo / zhí xiàn / xiāng jiāo / jiāo jiǎo / de / dà xiǎo / kě yǐ / yòng / liáng jiǎo qì / cè liáng

两条直线相交，交角的大小可以用量角器测量。

When two lines intersect, the angle of intersection can be measured with a protractor.