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
Hello, May I speak to Miss Li, please?
喂。我可以请李小姐接电话吗？
Can I get a seat for today's 7:00 a.m. train?
我可以买到今天上午7点的火车座位吗？
What did your boss say to him?
你老板是怎么对他说的？