Cokernel
上核, 余核
🗣️ 情景例句
I told you. He'll use any excuse to avoid math.
我说嘛 ，他就是要找各种藉口来逃避数学。
Idleness is the key of beggary, and the root of all evil.
懒惰是行乞的敲门砖，是万恶的根源。
One case concerns and eleven-year-old schoolgirl, Vera Petrova,
其中有一例谈到有一个名叫维拉。彼托洛娃的11岁学生。