类蛋白体:指储存蛋白质的无色质体 ( 白色体 ).Proteoplast A colorless plastid ( leucoplast ) that stores protein.白色体:叶在生长过程中完全置于黑暗条件下,由前质体形成的变化了的叶绿体.Etioplast A modified chloroplast formed from proplastids in leaves grown in total darkness....
明亮的流星,或者说陨石,是番难忘的景象。A bright shooting star, or meteor, is an unforgettable sight.“我们看到了一颗很明亮的流星。”——“真的吗?”"We saw a very bright shooting star."—"Did you really?"一颗流星划过天空。A meteorite streaked across the sky....