primary stages

常見例句

In the primary stages of their civilization, they had no metal tools.
在他們文明的最初階段沒有金屬工具。
The most basic primary school English as a foreign language education, with special teaching object - is in the primary stages of learning their mother tongue.
小學(xué)英語作為最基礎(chǔ)的外語教育，有著特殊的教學(xué)對象——正處在母語學(xué)習(xí)階段的小學(xué)生。
At present, the focuses are archaeological research, regional study, and periodical division, which are primary stages. It has not got the level of synthetic study.
目前，對它的研究還處于田野考古學(xué)研究、區(qū)域研究和分期斷代研究這樣的基礎(chǔ)研究上，還沒有上升到綜合研究的層次。