Undermined enamel
[医] 无基釉质, 悬空釉质
🧩 词语组成解析
v. 暗地里破坏；挖…的下面（undermine的过去分词）
enamel
[i'næməl]
n. 搪瓷;珐琅;指甲油;
vt. 给…上珐琅;在…涂瓷漆;
🗣️ 情景例句
I've never been to the aquarium
我从来没有去过水族馆
No man is so old, but thinks he may yet live another year.
人越活越想活。
People are not so honest as they once were.
人们不再像以前那样诚实了。