Mesothoriumi
[化] 新钍I; 228Ra
🗣️ 情景例句
I've found the perfect woman.
我已经找到了十全十美的人。
There's a DC-10 out of LaGuardia Airport at 9:15 A.M.
上午9点15分有班DC-10号班机从拉瓜迪亚机场起飞。
but while the drum was being shaken,
但是，圆筒受到震动，