11. arise[ə'raiz]vi.
1) vi. 出现
They have waited for 10 years and now opportunity has arisen. 他们等了10年，机会终于来了。
2) vi. 产生于
Accidents often arise from carelessness. 事故往往起因于粗心。
A conflict arose because of a misunderstanding. 误解往往导致矛盾。
12. relax [ri'læks]v.使 ... 放松
1)vi. 放松
His muscles relaxed. 他的肌肉松弛了。
My boss enjoys going to the massage house to relax. 我老板喜欢去按摩房放松。
2)vt.使…放松
The music helps you to relax. 音乐会使你放松。
I feel relaxed when talking with this happy guy. 当和这个快乐的男生交流时我感到放松。
13. overwhelm [.əuvə'welmd]vt.
1) vt. (精神上) 压倒；折服
He was overwhelmed by the death of his father. 他为父亲的去世而悲痛至极。
His kindness quite overwhelmed me. 他的好意使我感激难言。
2) vt. 淹没；征服
A great wave overwhelmed the boat. 一个巨浪吞没了那只小船。
The army overwhelmed the town. 军队控制了这个城镇。
14. unwind ['ʌn'waind]vi&vt.
1) vi. 放松；松弛
A hot bath will help you unwind. 热水澡会使你轻松。
2) vt. 松开；松绑
She unwound bracelets from her ankles before having a shower. 她洗澡前把脚镯取下来。
15. rehearse [ri'hə:s]vt.预演；排练
All the actors were rehearsing the play. 所有的演员都在排练。
You should type out your thesis and rehearse it before your presentation. 把你的论文打印出来并在演示前排练。
16. prevent …from 阻止某人干某事
Nobody can prevent me from going to school. 无人阻止我上学的决心。
The rain prevented us from playing football. 下雨使我们不能踢足球了。
17. think about [θiŋk ə'baut]vt.
1) vt. 对…有(某种观点)
What do you think about this person? 你怎们看待这个人？
2) vt. 考虑
I should like to think about your suggestion before I give a definite reply. 我想先考虑一下你的建议, 然后给你一个明确的答复。
Did you ever think about buying a house now? 你考虑过现在买一所房子吗?
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