Balkstone
含杂质的层状灰岩
🗣️ 情景例句
my sister and her husband and their daughter.
我妹妹Susan和她丈夫以及他们的女儿。
Every brave man is a man of his word.
勇敢的人都是信守诺言的人。
Strong players, but a weak team.
好球员，弱球队。