Strict regulations now limit the emission of sulfur dioxide from industrial smokestacks.
严格的法规现在限制了工业烟囱二氧化硫的排放。
Which choice best defines “emission”?
C — Release of gas, light, etc.. “emission” means release of gas, light, etc..
Which word means “release of gas, light, etc.”?
D — emission. “emission” means release of gas, light, etc..
emission — release of gas, light, etc.. In Chinese: 排放，发射.
emission is pronounced /ɪˈmɪʃn/.
Strict regulations now limit the emission of sulfur dioxide from industrial smokestacks. (严格的法规现在限制了工业烟囱二氧化硫的排放。)
discharge, release, outpouring — all close in meaning to emission (release of gas, light, etc.).
absorption, retention — each the opposite of emission (release of gas, light, etc.).
Yes. emission 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.
e(out)+miss(send)+ion(noun suffix)