olfactory trail

• 气味迹

olfactory trail的用法和样例：

例句

1. A revolting mucus trail marks the wake of the horror.
   一条令人作呕的黏液会标示出这恐怖生物的尾迹。
2. The old man saw the brown fins coming along the wide trail the fish must make in the water.
   老人看见两片褐色的鳍正顺着那鱼必然在水里留下的很宽的臭迹游来。