Microlithic
a. 细石器的
🗣️ 情景例句
and we're trying to resolve that problem.
试图解决这类问题。
These buildings are supposed to be earth quakeproof.
这些建筑物是耐震建筑才对。
Two great towers support four huge cables.
两座巨塔支撑着4根粗大的钢缆。