Flame reaction
[化] 焰色反应
🧩 词语组成解析
🗣️ 情景例句
Have you ever been there?
你去过那儿吗？
Before I eat dinner,I read the newspaper for a while.
在我吃晚饭以前，我花一会儿读报纸。
The most frightening thing of all was that not a sound could be heard.
最令人害怕的是到处没有一点声音。