algologist

例句：

1. 1. The algologist studied the effects of pollution on marine life.
   这位藻类学家研究了污染对海洋生物的影响。
2. 2. She spent several years studying under an algologist.
   她花了几年时间在一位藻类学家的指导下学习。
3. 3.The algologist discovered a new species of seaweed.
   这位藻类学家发现了一种新的海藻物种。