by-表示"在旁边,副的"

byproduct

//副产品(by+product 产品)

byroad

//辅路(by+road 路)

byway

//小道(by+way 小路)

bygone

//过时的(by+gone 过去的)

bypass

/ˈbaɪpɑːs/旁路;忽略(by+pass 通过→从旁边通过→忽略)

by work

/baɪ wɜːk/副业(by+work 工作)