The difference in temperature between the day and the night there is thirty degrees. 那里白天與黑夜的溫差是三十度。
Heat is that form of energy which passes from one body to another solely as a result of a difference in temperature. 熱是一種由于溫差而自動(dòng)從一個(gè)物體轉至另一個(gè)物體的能量形成。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
