Michaelsonite
复硅锆钡矿
🗣️ 情景例句
When was your reservation?
您预定的是什么时候？
I agree. I wish it were cheaper.
是这肃，我真希望它能便宜点。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。