ulcer
n
open sore containing poisonous matter on the outside of the body or on the surface of an internal organ 溃疡: leg ulcers 腿部溃疡
gastric ulcers 胃溃疡
My mouth has an ulcer. 我的口腔出现了溃疡.
She herself read them to me by spelling into my hand what was written in the book.
她亲自通过在我手上拼写书中的内容,把课本对我读出来。
From this we get the expression to make a beeline for someone or something, which means to go quickly along a straight direct course for someone or something.
从这里我们得到一条短语"to make a beeline for someone or something,意思是迅速地沿着一条直线向某人或某物走去。