Ulcerable
a. ulcerate的变形
🗣️ 情景例句
when Molly gave him the injection.
Molly给他打针时。
Henry got a toothache and asked to be excused.
亨利牙疼，请求离开一下。
If you learn even a little English, you will find it usedful after you leave school.
假如你哪怕只是学一点英语，毕业后，也会发现它是有用的。