Fluorocarbons
(fluorocarbon 的复数) [建] 碳氟化合物
🗣️ 情景例句
What time do you usually get up in the morning?
你早上通常几点起床？
Therefore,we always put quality as the first consideration.
因而，我们总是把质量放在第一位来考虑。
And when do you take your next exams?
还有，你什么时候参加下次考试？