尽管在美国东南部地区仍在增长，但在加拿大和美国，流感活动保持“低整体”的状态。

In Canada and the United States, influenza activity remains "low overall," despite increases in the southeastern U. S. region.

youdao

尽管在美国东南部地区仍在增长，但在加拿大和美国，流感活动保持“低整体”的状态。

In Canada and the United States, influenza activity remains "low overall," despite increases in the southeastern U. S. region.

youdao