Percy's enchant-ment with orchids dates back to 1951.珀西对兰花的痴迷可以回溯到1951年。Wild flowers such as orchids and primroses are becoming rare.兰花和报春花这类野花越来越稀少了.She breeds orchids in her greenhouse.她在温室里培育兰花....
The center block for shafting alignment is over there.轴系中心定位块在那里.Shafting abnormal vibration fault usually arises after the uprating on turbo - generator unit.机组增容改造后易发生轴系异常振动.Shafting system is an important part of ship...
You flatter yourself. Why would we go to such ludicrous lengths?你真自以为是。我们为什么要费那么大的力气？Why are Geography, Drama, Art and English in the ascendant?为什么地理、戏剧、艺术和英语逐渐受宠？He wonders why the digits on his calculator slope to the ...