Balkstone
含杂质的层状灰岩
🗣️ 情景例句
Leave nothing to chance.
做任何事情都要有把握。
He's a composer of serious music.I like his music a lot.
他是的一个严肃音乐的作曲家，我非常喜欢他的音乐。
A French physician decided to get rid of the wild rabbits on his own estate and introduced myxomatosis.
一位法国内科医生决定除掉自己庄园内的野兔子，于是引进了这种多发性粘液瘤疾病。