Even if a mosquito somehow managed to penetrate such a barrier, a second light curtain set up around a bed, for example, would provide further protection.
即使蚊子能穿过一道此类屏障，第二道光幕，比如说设立在床周围，会提供进一步的保护。
2
At last she believed that the tulip bed was under the protection of the fairies.
她终于相信，郁金香花圃是受了仙女的保护。
3
The greatest difference lines in the monitoring, regulating and interlock protection which are the characteristics of circulating fluid bed boiler.