Ulcus penetrans
[医] 穿透性溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
Listen, Richard,doing aerobics for an hour is a lot different than lifting weights.
听着， Richard，一小时的有氧运动可与举重大不相同。
Reputation is often got without merit and lost without fault.
无功得名是常事，无过失名也是常事。
It's to the north of England; it's part of Britain.
它位于苏格兰的北部，是不列颠的一部分。