Cobaltous selenate
[建] 硒酸鈷
?? 詞語組成解析
a. (正)鈷的, 二價鈷的\\n[建] (正)鈷的, 二價鈷的
n. [化]硒酸鹽(或酯)
??? 情景例句
Well, I didn't really exercise.
嗯， 我沒有真的上健身課。
What we do willingly is easy.
世上無難事，只要肯登攀。
After that day they were separated, never to see each other again.
那日一別，他們再沒重逢。