Unit 2 Space invaders
Language work
snake: v. (CET4 TEM4)move in a twisting way
Detailed reading1– snake
e.g.
The train was snaking its way through the mountains.The road snaked through forested mountains. 这条路蜿蜒穿过树林覆盖群山。
Detailed reading
Synonym:
meander
inch: v. (CET4 TEM4 ) move very slowly and carefully      迟缓地移动; 使迟缓地移动
Detailed reading1– inch
Detailed reading
e.g.
Howard inched forward in the crowd. He inched his way through the narrow passage....a climber inching up a vertical wall of roc ...