Get the bulbs into the ground, or they will begin to shrivel.把鳞茎种到地里, 否则会开始干枯的.The leaves started to shrivel up.叶子开始枯萎。Then their seed ripens, and soon they turn brown and shrivel up.随后,它们的种子熟了, 不久就变枯萎....
采用两步交联法合成了可生物降解聚天冬氨酸水凝胶.Biodegradable poly ( L - aspartic acid ) hydrogels were synthesized by a two step cross - linking reaction.智能水凝胶作为药物载体有着良好的应用前景.Intelligent hydrogels have enormous potential in the application as ...
Outdoors, mosquitoes and midges were a perpetual torment.在户外，蚊子和蠓虫永远让人不得安生。The breeze died away; midges began to bite.风息了; 蛟蚋开始叮人.Methods: To collect midges with bed - curtain , insect net and light trap.方法: 采用帐诱、灯诱和挥网采集...