Gratonite
细硫砷铅矿
🗣️ 情景例句
We love you, Grandpa.
我们爱你，爷爷。
Which umpire will referee the baseball game?
不知道哪一个裁判要执法这场棒球赛？
Shortly afterwards, four more policemen arrived and remonstrated with the workmen.
一会儿工夫，又来了4个警察，规劝工人离开。