Gauss's sign
[医] 高斯氏征(妊娠第一个月时子宫异常活动性)
🧩 词语组成解析
🗣️ 情景例句
His excuse sounds unconvincing.
他说的理由好像不可难。
I'm exhausted.
我疲倦不堪。
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。