Coopal powder
[建] 苦拔炸药
🧩 词语组成解析
powder
['paʊdɚ]
n. 粉，粉末;粉状物质;
vt. 在…搽粉;
vi. 涂粉，变成粉末;
🗣️ 情景例句
What are you talking about?
你在说什么呀？
Two dogs strive for a bone,the third runs away with it.
两狗相争一骨头，第三只狗衔起走。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言，我们只关心一种费用-