Brass, copper, stainless steel, bismuth, and lead are all suitable.黄铜 、 铜 、 不锈钢 、 铋及铅都是适合的.Aim To study the effects of chitosan - bismuth on experimental rat ulcer models.目的研究壳聚糖铋对大鼠实验性胃溃疡模型的影响.Tin - bismuth alloy was el...
Our white girlhood was passed together there.我们纯洁的少女时期是一道在那里度过的.She had shared responsibility for her brother since girlhood.她还是个小姑娘的时候就分担起照顾弟弟的责任。in one’s girlhood少女时代When in girlhood my heart was opining its petals, yo...