单词kerbstone
n.: 路缘石网络: 边石;镶边石;路沿石
路缘石:
a block of stone or concrete in a kerb/curb
复数:kerbstones
ROADWAYS. GRANITE AND SANDSTONE KERBSTONE AND GUTTERS.
路面.花岗岩和砂岩制路边石和排水沟