Radium necrosis
[医] 镭性坏死
🧩 词语组成解析
necrosis
[[ne'krəusis]]
n. 坏死, 枯斑\\n[医] 坏死
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Would you please hold the door open for me?
请您为我打开门？
I'll have to check with our engineers.
我得请教工程师才行。