They could set them at intervals throughout the semester or just set them all for the last day of the class.(他們可以將最后期限設定在期中，也可以設定在期末。)

Not a problem if you're recording one reading per month, but with smart meters, the team envisioned reading at intervals measured in minutes, which meant data volumes would mount quickly.(如果每個月記錄一次讀數，那么沒問題；但是對于智能儀表，團隊設想應該幾分鐘測量一次，這意味著數據量會快速增長。)

His speech was interrupted by applause at intervals.(他的演講不時地被掌聲打斷。)

It rained at intervals this month.(這個月不時地下雨。)

Another example is at the very opening of the book: the train was racing through treetops that fell away at intervals and showed the sun standing very red on the edge of the farthest woods.(在書的最開頭還有一個例子：，“在樹林中，火車疾馳，若隱若現，時不時地露出遠方樹林，邊緣的火紅的夕陽，一旁是彎彎曲曲。”)

She woke him for his medicines at intervals throughout the night.(整個晚上她不時叫醒他，讓他吃藥。)

Several red and white barriers marked the road at intervals of about a mile.(每隔1英里左右就有一些紅白相間的路障來標示道路。)

Trains creep out of Washington's Union Station and pause at intervals, inexplicably, as they travel through the northern Virginia suburbs.(令人費解的是，火車緩緩駛出華盛頓的聯邦火車站后，在穿行弗吉尼亞州北部郊區時總是不時停駛。)

Occurs at intervals longer than 10 seconds or so.(發生間隔大于10秒。)

He scratched and shovelled and explored, all four legs working busily, while the Mole waited impatiently, remarking at intervals, 'o, COME on, rat!'(他又刨又鏟又掘，四只腿忙個不停，而鼴鼠在一旁不耐煩地等著，時不時插上一句：“唉，河鼠，算了吧！”)