Sorting sixty thousand potsherds by fabric type is onerous work, yet the resulting catalog served scholars for decades.
按胎质将六万块陶片分类是件繁重的工作，但由此形成的目录让学者受用数十年。
Which choice best defines “onerous”?
D — Burdensome; oppressive.. “onerous” means Burdensome; oppressive..
Which word means “Burdensome; oppressive.”?
C — onerous. “onerous” means Burdensome; oppressive..
onerous — Burdensome; oppressive.. In Chinese: 繁重的；累人的.
onerous is pronounced //ˈəʊnərəs//.
Sorting sixty thousand potsherds by fabric type is onerous work, yet the resulting catalog served scholars for decades. (按胎质将六万块陶片分类是件繁重的工作，但由此形成的目录让学者受用数十年。)
burdensome, arduous, taxing — all close in meaning to onerous (Burdensome; oppressive.).
easy, effortless — each the opposite of onerous (Burdensome; oppressive.).
Yes. onerous is on the SAT Prep Difficult list — the higher-register words that decide the hard questions. 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.
oner(负担) → 沉重的。