Selection maskers are the important ingredient of the vector , and it is also a hot research spot of the genetics of lactic acid bacteria at present 筛选标记是载体的重要组成部分,也是目前乳酸菌遗传学研究领域的一个热点。
2.
No sound was audible save that of the carriages that were carrying the maskers home ; nothing was visible save a few lights that burnt behind the windows 除了送游客回去的马车的辚辚声之外,什么声音都听不到了。除了窗口里面的几盏灯火以外,什么都看不见了。
3.
On his return from the vatican , franz carefully avoided the corso ; he brought away with him a treasure of pious thoughts , to which the mad gayety of the maskers would have been profanation 他那满脑子虔诚的思想,碰上狂欢节这种疯狂的欢乐,是要被亵渎的。五点十分,阿尔贝回来了。他高兴极了。