🧩 词语组成解析
semi
['semi]
n. 半独立式住宅;半挂车;
prostrate
['prɑstret]
adj. 卧倒的;被某事物所制服的;瓦解的;无能为力的;
vt. 使俯伏，使拜倒;（指疾病、天气等）使某人无能为力;
pro前+strat层次+e→前[后]回一贯层次上→俯卧;使沮丧
🗣️ 情景例句
I waited for you for about a quarter of an hour.
我等了你差不多一刻钟。
How much is a hair cut?
剪一次头发要多少钱？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。