Powder arc method
[化] 粉末电弧法
🧩 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;
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
🗣️ 情景例句
why don't you introduce everybody to Susan?
何不将她们每一位介绍给 Susan？
Do you really want to know what I think?
你确实想要知道我认为什么吗？
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。