这条绕城公路让货车司机可以避开市中心的拥堵。

The new ___by-pass allows truck drivers to avoid congestion in the city center.

医生建议他做心脏搭桥手术来改善血液循环。

The doctor recommended a heart ___bypass to improve blood circulation.

他通过使用小路绕过了高速公路的拥堵。

He ___bypassed the traffic jam on the highway by taking a side road.