Pentacetate
五乙酸盐
🗣️ 情景例句
We hope so! It's always good to work with you, Tom.
希望如此！汤姆，和你们合作总是很愉快。
Today we celebrate our day of independence.It's a national holiday.
今天我们庆祝我们的独立. 今天是国定假期。
We can handle an order that size very easily.
这种量我们做起来很容易。