Samarium
n. 钐\\n[化] 钐Sm
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
I want to reserve a room.
我想预订一个房间。
Has Ian sold his house yet?
伊恩已指他的房子卖掉了吗？