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46. support　 支持，供養(yǎng)　support the plan/ the family　　 in support of 為了支持…

45. supply　 提供，供應(yīng)　a supply of　　 cut off the supply of water　 supply and demand　 供需

supply sb with sth　　 supply sth to sb

44. summarize 概括　summarize the paragraph with one sentence　　 summary　 摘要

43. Don’t talk about such things as you don’t understand.

His courage is such that he doesn’t know the meaning of fear.

42. substitute A for B　 用A取代B　　 substitute for = replace = take the place of

41. strike　 The clock struck 4.　　 strike a match　　 I was struck by her beauty.

40. stress　 壓力，緊張　under stress of poverty　 do sth under stress

39. stock　 供應(yīng)，儲存The farmer stocked a lot of food for winter.　 　in stock　 out of stock

38. stick to　 堅持　Please stick to the facts, don’t guess.　 stick to our decision

37. take steps to do sth (take action, take measures)　 Steps must be taken to preserve the forest.