Valerylene
[化] 2-戊炔\\n[医] 戊炔
🗣️ 情景例句
Thank you.
谢谢 。
What's your nationality?Are you a Japanese?
你的国籍是什么？你是日本人？
The fire service began to wonder whether a gas might have caused the fire.
消防部门开始怀疑有一种气体可能会导致火灾。