Polyacid
a. 多酸的
🗣️ 情景例句
Harry, I'd love to,
Harry，我确实想去，
Shall I come by early to help you get ready?
我提早一点来，帮忙准备宴会好吗？
and to exercise such initiative as falls within their sphere,
在各自的工作范围内发挥主动性，