Phosgenation
光气化(作用)
🗣️ 情景例句
You can listen to BBC or VOA news if you want to improve your listening.
如果你想提高听力，你可以听英国广播电台或美国之音的新闻节目。
Do you like animal?
你喜欢动物？
Really? They're rather a strong team, aren't they?
是吗？他们可是只强队，不是吗？