Concealed ulcer
[医] 隐蔽性溃疡
🧩 词语组成解析
concealed
[[kən'si:ld]]
a. 隐蔽的, 隐匿的
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
What are you trying to pull?
你在玩什么把戏？
Right.
好的。