Didymiumdi
[化] 釹鐠(混合物)
??? 情景例句
and I think he believes
而我認(rèn)為他相信
Nothing venture, nothing win (or have or gain).
不入虎穴，焉得虎子。
I'm sorry, Mathilde. Have times been hard for you?
瑪?shù)贍柕拢艺嫣婺汶y過。這些年來境況不太好吧？