Natrium bisulfurosum
[医] 亚硫酸氢钠
🧩 词语组成解析
n. 钠\\n[医] 钠[11号元素]
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
This nation is noted for its advanced technology.
这个国家以先进科技闻名。
In his twenties Frank used to make spare parts for aeroplanes.
20多岁的时候，弗兰克曾生产飞机零配件。