Pluronic
聚丙二醇与环氧乙烷的加聚物(聚醚)
🗣️ 情景例句
Don't you, Audrey?
喜欢吗， Audrey？
Which one is heavier?
哪一个是较重的？
An enterprise has to incur certain costs and expenses in order to stay in business.
一个企业为了继续经营，不得不支出一定的费用和开销。