The monotonous hum of the laboratory's ventilation system made it difficult to concentrate on the delicate experiment at hand.
实验室通风系统单调的嗡嗡声使人难以专注于手头精细的实验。
Which choice best defines “monotonous”?
D — Dull, unchanging. “monotonous” means dull, unchanging.
Which word means “dull, unchanging”?
D — monotonous. “monotonous” means dull, unchanging.
monotonous — dull, unchanging. In Chinese: 单调的，乏味的.
monotonous is pronounced /məˈnɑːtənəs/.
The monotonous hum of the laboratory's ventilation system made it difficult to concentrate on the delicate experiment at hand. (实验室通风系统单调的嗡嗡声使人难以专注于手头精细的实验。)
dreary, tedious, unvarying — all close in meaning to monotonous (dull, unchanging).
varied, lively — each the opposite of monotonous (dull, unchanging).
Yes. monotonous is on the SAT Prep Easy list — mid-frequency academic words that do get tested. 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.
mono(single)+ton(sound)