今天考了大物

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1.get a bang out of...

从...得到快感

2.Evolution happened by natural selection.

物竞天择

3.deliberate on/about sth

仔细考虑、商议某事

4.infant school

幼儿园

5.go out on a limb

形单影只

6.to discipline oneself

自律

7.a grain of salt

半信半疑

take...with a grain of salt

对…持怀疑的态度

8.to brew tea

沏茶

9.rules and regulations

行为规范

10.National People's Congress

全国人大

11.a charitable impulse

怜悯

12.Chief Executive Officer

CEO

13.airs and graces 摆架子，装腔作势

float/walk on air 欢天喜地

in the air 在传播中，流行，可感觉到的

on/off (the) air 正在/停止播送(电视，广播)