Arc cracking
[機] 電弧裂化法
?? 詞語組成解析
arc
[ɑ:k]
n. 綜合癥狀;弧（度）;天穹;電弧，弧光。;
vi. 形成拱狀物;循弧線行進;
abbr. American Red Cross. 美國紅十字會;
n. 裂解, 分解\\na. 敏捷的, 很好的\\nadv. 非常, 極其
??? 情景例句
He is working like a horse.
他努力工作。
Would you ming calling her sometime?
你可以找個時間打電話給她嗎？
and you avoid the frustration of arriving at the very moment when the train is drawing out of the station and being unable to get on it.
而且可以避免那種正好在火車駛出站時趕到車站，因上不去車而感到的沮喪。