【经】 远期汇兑

long-eared

long trousers【服装】

Ligation & division of long saphenous vein at sapheno-femoral junction

long path cell

Long-term effects of pollutants

a long shot gamble

long-range objective【科技】;long-term goal【科技】

long-drawn-out project (a project which takes so long that young workersbecome bearded)