Sulfur flour
[化] 粉末硫黄
🧩 词语组成解析
sulfur
['sʌlfɚ]
n. 硫磺，硫黄;硫磺色;
vt. 用硫磺处理;
flour
['flaʊɚ]
n. 面粉;
vt. 撒上粉;
🗣️ 情景例句
What can I do for you?
我能帮你什么忙？
Give me a ring at my office.
打电话到我办公室。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，