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'm afraid not. We don't generally accept a letter of credit.
恐怕不行，我们一般不采用信用卡。
Thank you but this is something I have to solve by myself.
但有些事情我必须自己解决。
No, Mom, said Lucy. I forgot the money!
“没有，妈妈，”露西说，“我忘记带钱了！”