Prefluxing
预涂熔剂
🗣️ 情景例句
The costs of college get higher every year.
学费逐年增加，越来越贵。
Would it be possible for me to have a closer look at your samples?
可以让我参观一下你们的产品陈列室吗？
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起。