Jonston's arc
[医] 斑秃, 斑形脱发
🧩 词语组成解析
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
It sets the tone for the whole show.
它决定了整个展览的气氛。
Recently, I have learned a lot of new things about myself.
最近，我学到了许多自己以前不明白的事理。
There was no doubt that we were unwelcome visitors.
毫无疑问，我们的来访是不受欢迎的。