噬菌体已复制和给体细胞已发生裂解.The phage has replicated and the donor cells have lysed.溶源性是噬菌体和寄生染色体之间的半永久联合.Lysogeny is a semi - permanent association between the phage and host chromosomes.有人提出把噬菌体分为六类.It has been proposed to group ...
to act as regent担任摄政王...Regent's Park...摄政公园In the UK, it is customary for the next heir to the throne to be regent.在英国, 通常由下一位王位继承人摄政.The Regent hotel has a superlative view of Hong Kong island.在丽晶酒店看香港岛的美景，视野绝佳。...
It can be found on apple trees, lindens, maples and poplars.人们可以从苹果树 、 菩提树 、 枫树和白杨树上发现它们.They tapped the sugar maples when the sap began to flow.当糖枫树的树液开始向外流淌时,他们便切割这些枫树皮.There are many maples in the park.公园里有好多枫树.The wi...