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
What kind of performance are you looking for?
你要什么配置的机器。
Call no man happy until he dies.
盖棺才能定论。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。