Ron started to direct the black pieces.

罗恩开始指挥黑棋作。

It marks the beginning of Britain's own strategic bombing campaign.

这标志着英军自己的略性轰炸作的开始。

But by the time the Americans and Australians started fighting the Japanese, it was already a World War.

但当美国人和澳利亚人开始日本人作时，已经是一场世界。

The base was turned over to Afghan forces, marking the end of the U.S. combat mission that began 20 years ago.

该基地已移交给阿富汗部队，这标志着20年前开始的美军作任务的结束。