慢速英语:印度反卫星导弹试验成功

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assure – v. make something sure

asset – n. something of value that is owned

tranquility – n. feeling of calm and quietness

mess – n. state of disorder

decay – v. gradually become weak or destroyed

surgical – adj. resembling the exact, careful work of a surgeon

heritage – n. traditions or practices passed down in a culture or society

arena – n. place or area of interest