All you need is a little saucer and a 2-liter plastic beverage bottle. Cut the bottomoff the bottle, and put this over the plant in the saucer. Water with purified water.
你只需要一个水盘以及2公升的塑胶饮料杯，把底部剪掉，然后罩住植物，植物放在装有纯水的水盘中。
2
Then Houston, the control centre on the earth, called up and told me to use the tape to tape the bottom of the handrail and pull it off the telescope.
然后休斯顿，地球上的控制中心，打电话给我，让我用胶带把扶手的底部粘上，然后把它从望远镜上拉下来。
3
The bottom line is that you need to study, eat a good meal, sleep well on the eve of the test, and believe that your efforts will pay off.