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- Periodic discharge of the temperature and pressure relief valve may be due to thermal expansion in a closed water supply system. 在一個(gè)封閉的水供應系統中，熱膨脹可能導致降溫減壓安全閥的周期性排泄。
- That period was a bright page in the history of Chinese literature. 那個(gè)時(shí)期是中國文學(xué)史上光輝的一頁(yè)。
- Let us hope that the period of this injustice will be over soon. 讓我們希望這個(gè)不公正的時(shí)期很快結束吧。
- Reader's Digest is a periodical. 《讀者文摘》是一種期刊。
- I expect regular periodical reports from you. 我期待你定期匯報。
- Childhood is a period of rapid growth. 幼年是生長(cháng)迅速的時(shí)期。
- He consulted the chronicles of the period. 他參考了這一時(shí)期的編年史。
- A periodical published yearly; a yearbook. 年刊; 年鑒每年出版一次的期刊; 年刊
- He had to decide within a given period. 他得在一定時(shí)間內作出決定。
- She has a detailed knowledge of this period. 她對這段時(shí)期的情況了解地相當詳細。
- In that period auto sales hit a14-year low. 這時(shí)期汽車(chē)銷(xiāo)售量達到14年來(lái)最低水平。
- In this period, unemployment reaches record levels. 這段時(shí)間的失業(yè)人數又達到了創(chuàng )紀錄水平。
- Which period of history are you studying? 你正在學(xué)哪一段歷史？
- Can you tell me the time period when it was stolen? 能不能告訴我大概什么時(shí)候被偷的？
- Chaucer wrote in the late mediaeval period. 喬叟寫(xiě)作的時(shí)代是中世紀末。
- She'll be away for an indefinite period. 她將離開(kāi)一段時(shí)間，何時(shí)回來(lái)未定。
- This was the most difficult period of his life. 這是他一生中最艱難的時(shí)期。
- The meeting finally came to a period. 會(huì )議終于結束了。
- A period signals the end of a sentence. 句號表示一個(gè)句子結束了。
- She is publishing a history of the war period. 她有一部戰爭時(shí)期的歷史著(zhù)作正在印行。
