Samarium
n. 钐\\n[化] 钐Sm
🗣️ 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。
He works best who knows his trade.
内行的人做他的事一定会做得最好。
There was no excuse we have new brooms.
你们没有任何借口我们有新扫把。