The initial assault lasted four days.

首次打击就持续了四天。

youdao

Although the initial assault may not have been made in your own country, the hour of your liberation is approaching."

VOA: special.2011.06.09

Had they done so, the initial Confederate assault would not have been so deadly.

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In response, Gingrich said his attacks were only the initial salvos of an all-out assault on the issue that Romney would face from the Obama campaign if he became the nominee.

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