医院发出了紧急救援的召集令，请求更多医生支援灾区。

The hospital made a ___call for more doctors to assist in the disaster area.

文章中对政府政策的公开点名引发了很多讨论。

The article's public ___callout of the government policy sparked much debate.

设计师用标注框突出了产品的主要特点。

The designer used a ___callout to highlight the product's key features.