warming up

英文解釋：

動詞 warm up:

1. run until the normal working temperature is reached
   同義詞：warm up
2. become more friendly or open
   同義詞：warm up
3. get warm or warmer
   同義詞：warm, warm up
4. cause to do preliminary exercises so as to stretch the muscles
   同義詞：warm up
5. make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity
   同義詞：limber up, warm up, loosen up

中英例句：

1. The German coach has one of his substitutes warming up on the touch-line now.
   德國教練現在正讓一個替換隊員在邊線旁做準備活動。
2. My car is nuisance in the winter; the engine only runs in fits and starts until it has really warmed up.
   我的汽車在冬天真討厭，引警在真正預熱起來前只能轉轉停停。
3. The singers are warming up before the concert.
   歌唱家們正在為開音樂會作準備。
4. A transistorize radio takes no time to warm up.
   電晶體收音機不需要預熱時間。