previously
adv. 以前；预先；仓促地
同义词
参考例子
1.Previously, loves to eat biscuits.
以前，很喜欢吃饼干。
2.This includes the previously discussed input and output devices.
这包括先前被讨论的输入和输出设备。
3.The law of gravitation explains many phenomena not previously, understood.
引力定律解释了许多以前所不能理解的现象。
英文解释
adv.
1.at an earlier time or formerly
网络释义
previously
在以前; 先前地; 先前; 以前;
previously before
以前; 以前，先前;
previously unimagined
意想不到;
previously designated
预先指定的;
Previously Lodged
旧受;