Elastic sulfur
[化] 弹性硫
🧩 词语组成解析
sulfur
['sʌlfɚ]
n. 硫磺，硫黄;硫磺色;
vt. 用硫磺处理;
🗣️ 情景例句
Everything.
每一样事情。
The population of Africa is growing by leaps and bounds.
非洲的人口正在极其迅速地增长。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，