Ulcus rstundum
[医] 圆形溃疡, 胃溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
He's cheating on his wife.
他对妻子不忠。
He who would climb the ladder must begin at the bottom.
爬梯必须从底层开始。
How much cloth does it take to make a skirt for the girl?
女孩做一条裙子要用多少布？