Ulcera
[医] 溃疡
🗣️ 情景例句
It's 5:05.
现在是五点零五分。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，