scab
柯林斯词典
1. N-COUNT A scab is a hard, dry covering that forms over the surface of a wound. 痂
The area can be very painful until scabs form after about ten days. 這個部位會非常疼痛，直到大約十天後結了痂爲止。
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scab /skæb/ (scabs)
剑桥词典
scab noun (SKIN COVERING)
[ 可數名詞：有複數形式的名詞 ]a rough surface made of dried blood that forms over a cut or broken skin while it is healing
（傷口上結的）痂
比較
scar noun
[ 不可數或單數名詞：沒有複數形式的名詞 ]
a plant or animal disease that causes rough areas on the skin
（動物）疥瘡，疥癬；（植物）瘡痂病，斑點病
scab noun (WORKER)
[ 可數名詞：有複數形式的名詞 ] informal disapprovingan insulting word for a person who continues working while other people in the organization are on strike
不蓡加罷工者，工賊 返回 scab