full beam
noun /ˌfʊl ˈbiːm/
/ˌfʊl ˈbiːm/
[uncountable] (British English)- the brightest light that a vehicle’s headlights can give, usually used when there are no street lights and no other traffic
（车前灯的）最强亮度，最强光 - on full beam Even with the lights on full beam I couldn't see very far.
即使把灯打到了最强光我还是看不了多远。
- on full beam Even with the lights on full beam I couldn't see very far.