Life past 40 is far from smooth sailing, but it's so much more than the reductive depictions we see in women's magazines and on the Hollywood big screen.
40岁以后的人生并非一帆风顺，但它远比我们在女性杂志和好莱坞大屏幕上看到的简化描述要丰富得多。
Reductive bleaching is also carried out, using sodium hydrosulphite.
用连二亚硫酸钠也进行了还原漂白。
Reductive Alkylation is a process often seen in chemical production.
