试题题干
Translate the following sentence into Chinese.
We do not realize how much we depend on the earth's gravity until we are deprived of it.
参考答案
试题解析
考点：depend on依赖；the earth's gravity地球引力；be deprived of 失去。
句子结构：句子包含“not···until···”意为“直到······才······”。主句为We do not realize，how···为宾语从句。