2016年1月12日 星期二

week 17 字源

com : with; together
ex:complement, companion

thanks for your compliment!謝謝你的讚美

tedious= boring

safety pin


consent= agree

-lift:higher
shoplift

discreet<=>indiscreet
cautious      reckless



Harriet Tubman:an African-American abolitionist, humanitarian, and, during the American Civil War, a Union spy. Born into slavery, Tubman escaped and subsequently made some thirteen missions to rescue approximately seventy enslaved family and friends, using the network of antislavery activists and safe houses known as the Underground Railroad.

sub-、sup-:under
ex:subway、superior

ad-:forward
ex:advance、adventure


checkmate:a game position in chess (and in other board games of the chaturanga family) in which a player's king is in check (threatened with capture) and there is no way to remove the threat. Checkmating the opponent wins the game.

(a step)move:(棋局)一步




















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