Tetrahydroxide
四羟化物
🗣️ 情景例句
Pete wrote us and told us.
Pete写信告诉我们的。
It's your fault.
全让你给搞砸了。
He prepared the speech carefully and went to the wedding with Jenny.
他认真准备了讲稿，带着珍妮一道去参加了婚礼。