Sodium hydrosulfite
[化] 連二硫酸鈉; 保險粉
?? 詞語組成解析
sodium
['sod??m]
n. <化>鈉(11號元素，符號 Na);
n. [化]次硫酸鹽, 次硫酸納
??? 情景例句
A table spoon is much bigger than a teaspoon.
湯匙要比茶匙大得多。
You haven't been around much lately,have you?
你近來不大出來走動了，是吧？
He speaks little Chinese, so it's difficult to communicate with him.
他只能講一點漢語，所以和他交流很難。