Elementary education
辅助 Assistant初等教育,小学教育
🧩 词语组成解析
🗣️ 情景例句
You did the best you could.
你已经尽力而为了。
The black ox has trod on his foot.
祸事临头。
and the search for oil has done more to improve deep drilling than any other mining activity.
寻找石油比其他任何采矿业对改进深孔钻探作的贡献都要大。