morphology

语言学学生需要学习形态学，了解词语的构成方式。

Linguistics students must study ___morphology to understand how words are formed.

科学家们正在研究这种昆虫翅膀的形态结构。

Scientists are studying the ___morphology of this insect's wings.

这位植物学家研究了多肉植物的形态结构，以理解它们的储水适应机制。

The botanist examined the ___morphology of succulent plants to understand their water-storage adaptations.