Sodium pertechnetate
[化] 高锝酸钠
🧩 词语组成解析
sodium
['sodɪəm]
n. <化>钠(11号元素，符号 Na);
高锝酸盐
🗣️ 情景例句
Two weeks. I said I could do it in two weeks, and I did it.
两周。我说过我两周就能完成， 现在我做到了。
I'm twenty-one years old.
我21岁。
No, she didn't hurt herself. She was all right.
没有，她没有摔伤。她没事。