Acidization
酸化作用, 酸化过程
🗣️ 情景例句
What can I do for you?
我能帮你什么忙？
It's a quarter past five.
现在是五点一刻。
It is much cheaper to post or email a long report than to fax it.
邮寄或电子邮递一封长篇报告比传真要便宜得多。