问题描述：
英语翻译
That deeper ice and the water itself will be cautiously sampled in a later expedition that will test techniques that may one day be used on Mars.
主要是：cautiously sampled
That deeper ice and the water itself will be cautiously sampled in a later expedition that will test techniques that may one day be used on Mars.
主要是：cautiously sampled
问题解答：
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