Aphthous ulcer
[醫(yī)] 口瘡性潰瘍
?? 詞語組成解析
[醫(yī)] 口瘡的
ulcer
['?ls?]
n. <醫(yī)>潰瘍;腐爛物;道德敗壞;
??? 情景例句
Do you hike or fish on your trips?
旅游時(shí)，你會步行或釣魚嗎？
I asked him if he spoke English.
我問他他是否說英語。
I was thinking of 40% off.
打個(gè)6折吧。