Polonium tetrachloride
[化] 四氯化钋
🧩 词语组成解析
polonium
[[pə'ləuniəm]]
n. 钋\\n[化] 钋Po
[医] 四氯化物
🗣️ 情景例句
take a vacation away from the family--alone.
离开家人而单独在一起渡个假。
The doctor advised me to stay indoors more.
医生劝我要多待在屋子里。
There was no trace of fingerprints, but the inspector found a dirty red bundle that contained jewellery which the old lady said was not hers.
巡官没有发现指纹，却发现了一个装有珠宝的、肮脏的红包袱。老妇人说那不是她的。