Periodically , the lamellae become enlarged, forming flattened, membrane - enclosed vesicles called thylakoids.片层周期性地扩展, 形成扁平的有膜为界的囊,称为类囊体.Mortality is the number or volume of trees periodically rendered unusable through...
Brian put his hands in his pockets and jingled some change.布赖恩把手插进口袋里，把几枚硬币拨弄得叮当作响。The golden bangles on her arms clashed and jingled.她手臂上的金手镯丁零当啷地响。The bells jingled all the way.一路上铃儿叮当响....
This is when geraniums and petunias come into their own.这是天竺葵和矮牵牛盛开的时节。The petunias were already wilting in the hot sun.在烈日下矮牵牛花已经开始枯萎了.With my porch and my pillow, my pretty purple petunias.那里有我的前廊我的枕头, 我漂亮的紫色矮牵牛....
Banning cigarette advertising would be unconstitutional, since selling cigarettes is legal.既然出售香烟是合法的，那么禁止做香烟广告就是违宪的。No reason was given for the banning of the magazine.杂志被无端取缔了。The judge placed an exclusion order on him...