易错题
图中标识是什么意思？What does the label in the picture mean?
支路汇入主路标识Sign for branch merging into main road
支路汇入双车道主路标识Sign for branch merging into double-lane main road
支路汇入单行线Sign for branch merging into one-way street
双车道汇成单车道Two lanes merging into one lane