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Vocabulary Study Online By Level (VSOBL) is a Fast, Reliable, and Handy tool to prepare English exam vocabulary. (Available for all VIP accounts: US$2/Month). It has built-in word lists: 6000 IELTS words, 6000 TOEFL words, 5000 GRE words, and 3000 SAT words. You can load them by level with one click.
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[螺旋形的,盘旋的] rotary; curled; moving in a zigzag course; moving in the shape of a coil | |
[迅速,敏捷] state or quality of being swift; speed; rapid motion; quickness; celerity | |
[范例,样品] a small part of something intended as representative of the whole | |
[共栖的,共生的] used of organisms living together but not necessarily in a relationship beneficial to each |
[杂草] a wild plant growing where it is not wanted | |
[不公平的] unjust; contrary to laws or conventions, especially in commerce | |
[屏幕] the surface where pictures can be projected for viewing; examine; test | |
[无可匹敌的] without equal or rival; unparalleled; peerless |
[杂草] a wild plant growing where it is not wanted | |
[疾病,呕吐] state that precedes vomiting; disease | |
[雨量非常少的,半干旱的] relatively low annual rainfall of 25 to 50 centimeters | |
[不自私的,慷慨的] selfless; self-forgetting; generous or altruistic |
[容忍的,宽容的] showing respect for the rights of others; open-minded; showing the capacity for endurance | |
[硅石,硅土] white or colorless vitreous insoluble solid | |
[凋谢,枯萎] shrivel; decay; lose freshness, vigor, or vitality; loss of moisture | |
[疾病,呕吐] state that precedes vomiting; disease |
[硅石,硅土] white or colorless vitreous insoluble solid | |
[获胜的,胜利的] successful; being the winner in a contest or struggle | |
[老兵,老手] someone who has given long service | |
[容忍的,宽容的] showing respect for the rights of others; open-minded; showing the capacity for endurance |
[学期] term; half a year; 6 months; one of two divisions of an academic year | |
[硅酸盐] compounds containing silicon, oxygen, and one or more metals; salt of silica acid | |
[迅速,敏捷] state or quality of being swift; speed; rapid motion; quickness; celerity | |
[自愿的,志愿的] done or undertaken of one's own free will; unforced |
[焊接] repair or unite by using fusible metal alloy, usually tin and lead | |
[迅速,敏捷] state or quality of being swift; speed; rapid motion; quickness; celerity | |
[蜿蜒的,弯曲复杂的,不老实的] winding; bending in and out; not morally honest | |
[老兵,老手] someone who has given long service |
[随意,冲动] sudden turn or start of mind; temporary eccentricity; fancy | |
[趋势,倾向] trend; a general direction in which something tends to move | |
[严肃的,庄严的,隆重的] serious; somber; deeply earnest, serious, and sober | |
[螺旋形的,盘旋的] rotary; curled; moving in a zigzag course; moving in the shape of a coil |
[不自私的,慷慨的] selfless; self-forgetting; generous or altruistic | |
[趋势,倾向] trend; a general direction in which something tends to move | |
[制止流出,阻挡] stop the flow of a liquid; make headway against | |
[范例,样品] a small part of something intended as representative of the whole |
[凋谢,枯萎] shrivel; decay; lose freshness, vigor, or vitality; loss of moisture | |
[焊接] repair or unite by using fusible metal alloy, usually tin and lead | |
[微妙的,细微的] slight; be difficult to detect or grasp by the mind | |
[使晕倒,打晕,使震惊] surprise greatly; amaze; make senseless or dizzy by or as if by a blow |