Priming powder
[化] 起爆粉
🧩 词语组成解析
n. 装雷管, 装点火药, 起爆剂, 底漆\\n[化] (水泵起动前)充水
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
I am so happy for you both.
我真为你们俩感到高兴。
The post office is right on the corner, You can't miss it.
那邮局就在转角的地方，很好找。
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？