Pma
[化] 均苯四酸
🗣️ 情景例句
What's the problem, Richard?
有什么问题吗 Richard
If one sheep leap o'er the dyke,all the rest will follow.
一羊跳过沟，众羊跟着跳。
Well, we can't take Polly with us. Could you look after her for me while we're away?
嗯，我们不带波利去。我们不在这里时，您能帮我照料它吗？