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
You give me the money and I'll give you the goods.
你付钱，我给货。
Buyers, generally speaking, bear the change of packing.
一般来说，买方应承担包装费用。
I'm the purchasing agent here.
我是这里负责采购的