in preparation是“准备好”还是“准备中”

拜托：准备好是完成时
in preparation在准备中
例句
A new study in rural Nepal shows the value of washing hands with soap and water in preparation for childbirth.
一个在尼泊尔乡村进行的新研究显示在分娩做准备时使用肥皂和水来洗手的价值.
A new study in rural Nepal shows the value of washing hands with soap and water in preparation for childbirth.
一项在尼泊尔乡村的新研究显示在分娩前的准备中,使用肥皂和水洗手的重要性.

in preparation

准备中
The dictionary is now in rapid preparation.
这本词典现在正在迅速编写之中

准备中things for this meetting are in preparation.

应该是“准备中”

应该是“准备中”
in表示一种状态的过程,准备好用be ready