关于Clock550的作文知识

高一英语作文:A Water Clock550字

Thewaterclockhasthreetheleftisatankholdingtankhasanarrowopeningthroughwhichwaterdripsintoasecondcontainer,alsoadethesecondtankisafloatingobject,totheendofwhichisattachedalongpolewithantherightisacylin...