🧩 词语组成解析
canker
['kæŋkɚ]
n. （植物的）溃疡;（动物）耳溃疡;腐败的影响;腐蚀因素;
vt. 使溃疡;
vi. 受到腐蚀，生黑腐病，溃烂;
🗣️ 情景例句
You shouldn't have.
不该这样破费的。
I've never read a more stirring story.
我从来没读比这更激动人心的故事。
He did not know from which part of Africa his ancestor had come.
他不知道祖先来自非洲的什么地方。