Stories of USA Today
Materials for Reading & Listening Practice
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 Group (U V W Y Z) - Spelling Practices
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Read [Esc] (1)
a. Syn. submarine; submerged
(在水下的,在水中的) submarine; beneath the surface of the water


Spelling Word: underwater
Read [Esc] (2)
a. Syn. alone; single; sole
(独一无二的) without an equal; being the only one of its kind


Spelling Word: unique
Read [Esc] (3)
v. Syn. unwrap; unfold
(打开包裹(或行李),卸货) unwrap; unfold; remove the contents of


Spelling Word: unpack
Read [Esc] (4)
a. Syn. selfless; self-forgetting
(不自私的,慷慨的) selfless; self-forgetting; generous or altruistic


Spelling Word: unselfish
Read [Esc] (5)
v.
(更新,新信息) supply with recent information; bring up to date; bring to the latest state of technology


Spelling Word: update
Read [Esc] (6)
n.
(真空) empty area or space; electrical home appliance that cleans by suction


Spelling Word: vacuum
Read [Esc] (7)
n.
(活门,阀) device or structure for controlling the flow of a fluid


Spelling Word: valve
Read [Esc] (8)
n. Syn. watchfulness; alertness; caution
(警惕) watchfulness; wakefulness; process of paying close and continuous attention


Spelling Word: vigilance
Read [Esc] (9)
a.
(看得见的,可见的) being often in public eye; obvious to the eye


Spelling Word: visible
Read [Esc] (10)
a. Syn. changeable; explosive; fickle
(挥发的,飞行的,可变的,爆炸的) tending to vary often or widely, as in price; inconstant or fickle; tending to violence


Spelling Word: volatile