He seemed conscious of possessing a keener power of enjoyment than other people.他似乎意识到自己具有比别人更敏锐的鉴赏能力.Physical Properties - When freshly distilled, citral is an almost colorless oil possessing a characteristic lemon odor...
图4 - 2就是目前实验室里的验电器样式.Figure 4 - 2 shows a present - day laboratory version of the electroscope.验电器的叶片慢慢张开.The leaves of the electroscope slowly diverge.图 4-2 就是目前实验室里的验电器样式.Figure 4 - 2 a present - day laboratory version...