sharp drop in temperature

基本解釋

Although the weather forecast issued an alert for a sharp temperature drop in the night, there was no single sign of any imminent cold spell during the daytime.
雖然天氣預(yù)報(bào)說今天夜里要降溫，但是白天看不出任何跡象：從早上起就烈日當(dāng)頭，最高溫度達(dá)27 度。
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With wall paint and wood, for example, the drop of temperature will cause a sharp contraction in lacquer and wood interface, resulting in a variety of cracking phenomenon.
以墻漆和木器為例，氣溫急降會(huì)造成漆面和木器接口急劇收縮，引致各種開裂現(xiàn)象。