自制鸟类加水器:calm calmly的区别

calm calmly的区别 calm与silent的区别 Calm & Insight Handles matters calmly rigorous, progresses positively.这句话什么意思 “in times of calm and in times of challenge”如何翻译 tim pretended to be calm and said 中的to be存在什么含义 he was large and fit and had an ablity to instantly calm any room he entered PVC与硅胶的区别，利弊区别 华人、中国人的区别？ 词之间的区别？