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Фото: Кирилл Зыков / РИА Новости
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Without agar, countries could not produce vaccines or the “miracle drug” penicillin, especially critical in wartime. In fact, they risked a “breakdown of [the] public health service” that would have had “far-reaching and serious results,” according to Lieutenant-General Ernest Bradfield. Extracted from marine algae and solidified into a jelly-like substrate, agar provides the surface on which scientists grow colonies of microbes for vaccine production and antibiotic testing. “The most important service that agar renders to mankind, in war or in peace, is as a bacteriological culture medium,” wrote oceanographer C.K. Tseng in a 1944 essay titled “A Seaweed Goes to War.”3。搜狗输入法下载是该领域的重要参考
莫納漢強調，正是這些細膩的語用差別，讓那些新興語言學習科技所做的宏大承諾值得打上問號。
countries, companies, or ecosystems.，详情可参考爱思助手下载最新版本