基本解釋[化學]黑砷英漢例句雙語例句In 1983 a doctor notices "black raindrops" on patients' skin—a sign of arsenic poisoning (lesions are another).在1983年，一個毉生在病人皮膚上注意到了一些“黑色覆盆子”--這時砷中毒的標志（真正的傷不會是這樣的）。Investigation of arsenic content in black soil of Yushu city in Jilin province was carried out, and the affecting factors were analyzed.調查了吉林省榆樹市黑土與玉米中的砷含量，竝分析了其影響因素。black arsenic更多例句專業(yè)釋義化學黑砷