Then he motioned us over and spoke quietly.

然后他示意我们过去，小声说话。

With an El Nino the warmest water in the Pacific shifts to the east, and this produces ascending motion over that warm water in the Central Pacific, but then descending motion over the maritime continent.

在厄尔尼诺现象下，太平洋最温暖的海水向东移动，这在中太平洋温暖的海水上产生了上升运动，但随后在海洋大陆上空下降运动。