1.Scientists have found out why certain smells recall feelings of nostalgia and can recall distant memories.
recall 回想起
He could recall her features very distinctly.
他能够清晰地回想起她的容貌 。
2.The scientists say an area of the brain is responsible for assigning memories to smells and for storing them for decades.
assign to 分配给
An experienced detective was assigned to the case.
已指派了一个经验丰富的侦探侦查此案 。