B powder
[化] B火药
🧩 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
Do you have any suggestions?
你们有什么建议吗？
That which is evil is soon learnt.
恶行易学。
No, I don't think we have been.
不，我想没有。