慢速英语:既来之则安之

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citrus – n. a juicy fruit (such as an orange, grapefruit, or lemon) that has a thick skin and that comes from a tree or shrub that grows in warm areas — often used before another noun

sour – adj. having an acid taste that is like the taste of a lemon

acid – n. chemistry : a chemical with a sour taste that forms a salt when mixed with a base / acidic – adj. containing acid : having a very sour or sharp taste

pucker – v. to pull the sides of (something, such as skin or cloth) together so that folds or wrinkles are formed : puckered – adj.

defective – adj. having a problem or fault that prevents something from working correctly : having a defect or flaw

optimistic – adj. having or showing hope for the future : expecting good things to happen : hopeful

positive – adj. good or useful

can-do – adj. having or showing an ability to do difficult things

attitude – n. the way you think and feel about someone or something

refund – n. to give back money that someone paid for something (such as a product that was returned or a service that was not acceptable)

consumer – n. a person who buys goods and services