Ulcus penetrans
[医] 穿透性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
My parents paid my way through college.
我父母供我上大学。
You should take the advice of your teacher.
你应该听老师的话？
He put a glass dish with sugar water and honey to the west of the hive. A marked bee fed itself from the dish and returned to the hive.
他在蜂箱的西面放一个装有糖水和蜜蜂的玻璃碟子。