Heating and cooling costs
[经] 加热和冷却成本
🧩 词语组成解析
heating
['hitɪŋ]
n. 暖气装置[设备];加热，采暖;
v. （使）热( heat的现在分词);使激动;激发;使兴奋;
adj. 加热的;供热的;
heat热+ing形容词后缀 → 加热的
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
n. 冷却\\na. 冷却的\\n[计] 冷却
n. 费用；诉讼费；损失（cost的复数）
🗣️ 情景例句
I'd never been away from home,
我从来没有离开过家，
Food is necessary to maintain life.
食物是维持生命所必需的。
Then, her composure regained, she was ready to set off with the porter's assistance to search for nay intruders who might still be lurking in her flat.
此刻老妇人也镇定了下来，准备在看门人的协助下搜寻可能仍躲藏在她房里的窍贼。