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
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
I asked him to paint it for me, but he wouldn't
我请他帮我油漆，但是他不肯。
I'd like you to meat Dr Zhang.
我想让你见见张先生。