To comprehend the behavior of deep-sea creatures, biologists must study the extreme pressures of their habitat.
要理解深海生物的行为，生物学家必须研究它们栖息地的极端压力。
Which choice best defines “comprehend”?
A — To understand something fully. “comprehend” means to understand something fully.
Which word means “to understand something fully”?
B — comprehend. “comprehend” means to understand something fully.
comprehend — to understand something fully. In Chinese: 理解.
comprehend is pronounced /ˌkɒmprɪˈhɛnd/.
To comprehend the behavior of deep-sea creatures, biologists must study the extreme pressures of their habitat. (要理解深海生物的行为，生物学家必须研究它们栖息地的极端压力。)
grasp, understand, fathom — all close in meaning to comprehend (to understand something fully).
misunderstand, misinterpret — each the opposite of comprehend (to understand something fully).
Yes. comprehend is on the SAT Prep Basic list — the everyday academic words the SAT assumes you already have. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.