Compactness of region
[计] 区域压缩性
🧩 词语组成解析
compactness
[kəm'pæktnis]
n. 紧密;坚实;紧凑;小巧;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I'll try to explain.
我会尽量给你解释。
It's nothing serious; just some routine examination (checkups).
这并不是什么了不起的事，只不过是常规检查而已。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，