if we take short breaks__.19. Food in small pieces could be eaten easily from the sun twigs which_ turned into chopsticks.20. Walls make of adobe take in the heat from the sun on hot days and give out that heat_ during cool nights， thus warning the house.21. …
词源:From Middle English hot， hat， from Old English hāt， from Proto-Germanic haitaz ， from Proto-Indo-European kay- . Cognate with Scots hate， hait ， North Frisian hiet ， Saterland Frisian heet ， West Frisian hjit ， Dutch heet ， Low German het ， German Low German heet ， German heiß ， Danish hed ， Swedish het ， Icelandic heitur .
