钋是高放射性的元素,金属.Polonium is a highly radioactive element and a metalloid.两个遗留有钋的星球被一些不明原因突然破坏.Two old plutonium disposal plants damaged at once by some unestablished reason.钋的同位素在自然界中的确存在,但是相当罕见.The isotope does occur in na...
They peeled cold stiffened gloves from their hands.他们将冻得硬邦邦的手套从手上脱下来。He leaned towards her and she stiffened at this invasion of her personal space.他向她俯过身去，这种侵犯她个人空间的举动让她绷紧了身子。She stiffened with fear.她吓呆了。...
Conclusion: PKP is an effective treatment for severe fungal keratitis.结论: 穿透性角膜移植是治疗真菌性角膜炎的有效方法.Candidiasis is a common mycosis, most of which is caused by the opportunistic fungal pathogen , albicans.念珠菌病是一种常见的真菌病, 大多数是...