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
This time draft will fall due at the end of this year.
这张期票年底到期。
Did you see him yourself?
你自己亲自看到他吗？
I've been here for about two years. I've been here since 1993.
我到这儿大约有两年时间了。我自1993年就到这儿学习。