STEAM Reading High Elementary 1 영영 Unit 16
8 카드 | CompassPublishing
세트공유
contaminated
adj. dirty or polluted; not clean or pure
groundwater
n. water that is not salty
hydrologist
n. a person who studies where water is and how it is used
salty
adj. tasting of salt or containing salt
keep
v. to stay in a particular condition
life
n. the existence of a living thing
fresh water
n. water that is not salty
rest
n. the other things that have not been mentioned
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