Samaric hydrosulfate
[化] 硫酸氫釤
?? 詞語組成解析
[化] 三價釤
n. [化]硫酸氫鹽, 硫酸化物
??? 情景例句
She hasn't been employed for six months now.
她已經失業半年了。
The doctor said I looked worried and nervous.
醫生說我看起來太憂郁和緊張了。
What's this?
這是什么？