通过

pass; go through; approve; adopt; clear; get through; pass by; transmit; implement; put through; enact; pass through; traverse; thread; through; thru; on; over; via; at; by; passed; passing; passage; approval; adoption; transit; enactment; trans-; by means of; by way of; by passing; through the medium of

障碍物

obstacle; obstruction; barrier; block; hindrance; impediment