VOA慢速英语:Police Remove Pipeline Protesters from Private Land in North Dakota(翻译)

pepper spray – n. ​ substance made from peppers that causes irritation to the eyes, nose and skin when sprayed

barrel – n. ​ a standard measure for oil that is equal to about 159 liters

refinery – n. factory where substances such as oil are made pure

sacred – adj. relating to religion or consider holy

permit – n. written document or license granting authority

impact – n. effect of a situation or thing on something else