Acid - washed, flux - calcinated diatomaceous earth is often used.通常使用酸洗的, 通量煅烧硅藻土.Diatomaceous earths are the skeletal remains of the tiny aquatic plants deposited centuries ago.硅藻土是百年前水生植物沉淀下来的遗骸.Add 20 mg. of diatomac...
Ever since I spoke up, my colleagues ostracize me.从我一开始说话我的同事就让我闭嘴.What are we to do when others ridicule andsubtly ostracize us?当别人讥笑或者排斥我们的时候,我们该怎麽做哪?...
虽然她承认害怕俄国人, 然而她似乎对菲尔比本人有一种矛盾的感情.Although she professed fear of the Russians, she seemed to have ambivalent feelings toward Philby himself.那咱们就算是愚蠢的俄国人,没弄懂口令.Then we're stupid Russians who didn't get the word.具有...