Niobtantalpyrochlore
鈮鉭燒綠石
??? 情景例句
I'm concerned.
我很擔心。
Don't forget to invite him.
不要忘記邀請他。
Please get those things off, sir, and throw them into the fire.
請把您身上那些東西脫下來吧，先生，把它們仍到火里去。