Space-based
太空
?? 詞語組成解析
space
[spes]
n. 空間，太空;空白，間隔;空隙;片刻;
vt. 把…分隔開，留間隔于…之間;
vi. 以一定間隔排列;
v. 立基于, 以…為基礎（base的過去式和過去分詞）
??? 情景例句
People who take less exercise seem more vulnerable to illness.
缺少運動的人對疾病的抵抗力就差。
The day is short but the work is much.
工作多，光陰迫。
Good idea! It's much better than having classes! Can I go, too?
好主意！這比上課好得多！我也可以去嗎？