寄航空邮件要多少钱？
What's the postage for an air-letter to Paris?
寄巴黎的航空信邮资是多少?。
The following is a letter to the editor of an environmental magazine: "the decline in the Numbers of amphibians worldwide clearly indicates the global pollution of water and air."
下述文字摘自一封致某环保杂志编辑的信函：“全球两栖动物数量的减少明显标志着全球性水与大气的污染。”
应用推荐