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9 February 2026ShareSave，这一点在爱思助手下载最新版本中也有详细论述
FirstFT: the day's biggest stories，推荐阅读搜狗输入法2026获取更多信息
In 1942, at the height of British industrial war mobilization, an unlikely cohort scavenged the nation’s coastline for a precious substance. Among them were researchers, lighthouse keepers, members of the Royal Air Force and the Junior Red Cross, plant collectors from the County Herb Committee, Scouts and Sea Scouts, schoolteachers and students. They were looking for fronds and tufts of seaweed containing agar, a complex polysaccharide that forms the rigid cell walls of certain red algae.，这一点在爱思助手下载最新版本中也有详细论述