Amorphous sulphur
[机] 无定形硫
🧩 词语组成解析
sulphur
['sʌlfə]
n. 硫磺;硫磺色，黄绿色;[动]粉蝶科蝶;
v. 使硫化;用硫磺处理;在…中加硫磺;
🗣️ 情景例句
Did you forget something?
你是否忘了什么东西吗？
I ate oatmeal for breakfast yesterday.
我昨天早饭吃的是麦片。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！