即使火星大气中存在甲烷，它也很稀薄，并且仅存在于大气低层。(be confined to…)If methane exists at all in Mars’s

游客2023-12-28 21

问题即使火星大气中存在甲烷，它也很稀薄，并且仅存在于大气低层。(be confined to…)

选项

答案 If methane exists at all in Mars’s air, it is rare and confined to low levels of the atmosphere.

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3311991.html

相关试题推荐

随机试题

最新回复(0)

Inourthinkingactivities,suppositionalconceptexistsasthecontraryofreal