Radioactive calcium
[医] 放射性钙
🧩 词语组成解析
🗣️ 情景例句
I don't want my tonsils out.
我不想切除扁桃腺。
I have received a letter from my cousin.
我收到了我表兄的信。
But, in contrast, it is only in modern times that Galileo has become a problem child for historians of science.
但是相比之下，只是在现代对于科学史家来说，伽利略才变成一个新的难题。