Stories of USA Today
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 4000 Duolingo (S) - Spelling Practices
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ad. an toàn in a manner free from fear or risk


Spelling Word: securely
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a. địa chấn caused by an earthquake or earth vibration; earthshaking


Spelling Word: seismic
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n. địa chấn measuring instrument for detecting the intensity, direction, and duration of movements of the ground


Spelling Word: seismograph
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a. chuyển moving or removal; change from one place


Spelling Word: shifting
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n. chia a small amount; a long, narrow piece cut or torn off; long, irregular strip that is cut or torn off


Spelling Word: shred
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a. chậm chạp lazy; with little movement; very slow


Spelling Word: sluggish
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n. xã hội học branch of philosophy which treats the constitution, phenomena, and development of human society; social science


Spelling Word: sociology
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n. chủ quyền one that exercises supreme, permanent authority, especially in a nation or other governmental unit


Spelling Word: sovereign
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n. sóc a kind of arboreal rodent having a long bushy tail


Spelling Word: squirrel
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n. ổn định a situation in which something is not likely to move or change; constancy


Spelling Word: stability