Unit 21 Lesson 1&2 单词课件-2021-2022学年高中英语北师大版选修七

Warm-up kidney liver Interval 间隔，间隙，中场休息 England were two goals behind at the interval.  During the interval, wine was served. circle-circulate-circulation循环 Please open a window to allow the air to circulate. During the epidemic, windows should be opened frequently to allow air circulation Foreign money is not allowed to circulate in China. pump(n.)泵 (v.)用泵把……抽上来 It's like a balloon, and all you gotta do is just pump it, pump it up.  Pump it up 加油，打气 跳舞机 Digest(v.)消化，吸收 (n.)摘要 improve digestion 、stimulate digestion促进消化，吸收 Fish is inexpensive, easy to cook and very digestible. Bananas are easily digestible. They learn well but seem to need time to digest information.  digestion(n.)消化系统 digestive(adj.)与消化有关的 digestible（adj.）可消化的，美味的，易理解（吸收）的 mineral矿物 mine矿 swap交换 exchange swap with sb 和某人交换 swap ……for …… swap places 换位置 I will swap these two bottles for that one. Can we swap places? I can't see the screen. Despite the heat, he'd