1.trimester(n.) a period of three months. >>>三個月,一學期(名詞) 三個月的期間. 2.ulcer(n.) open lesion on the skin or mucous membrane of th body. >>>潰瘍(名詞) 身體的皮膚或黏膜上的開放性病灶 參考看看
... threadlike projections covering the surface of the mucous membrane lining the small intestine, serving as the sites of absorption...
... the stimulating gas, can cause allergically , breathing problem, mucous membrane tissue, must be notified carcinogenically in animal's experiment, forbid in some ...