Sodium zincate
[化] 锌酸钠
🧩 词语组成解析
sodium
['sodɪəm]
n. <化>钠(11号元素，符号 Na);
[机] 锌酸盐
🗣️ 情景例句
Right.
对。
You've done me a great favour.
您帮了我大忙。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。