Good-by; and whenever you are thirsty, recollect that I keep a constant supply at the old stand.

再见，无论什么时候，倘若再干渴冒火，不妨回想一下，我会在老地方给你送上清冽甘甜的凉水。

I'm seven years old, standing in a meadow, and staring at the points barely moving across the sky.

那年我七岁，就这样站在一片草地上，盯着天空中几乎不怎么移动的小点儿。

He had a youth about eighteen years old standing by his side.

他身边站着一个十八岁左右的少年。