最近的研究提出了一些关于环境污染的令人担忧的数据。

The recent study presented some ___alarming data on environmental pollution.

家庭农场正以惊人的速度消失。

Family-owned farms have been disappearing at an ___alarming rate.

严重疾病的惊人频率已推动了公共卫生运动。

The ___alarming frequency of serious diseases has prompted public health campaigns.