The two events are closely connected.

两起事件之间有密切的联系。

Taste and smell are closely connected.

味觉和嗅觉有密切的联系。

The two subjects are closely connected.

这两门学科紧密相连。

I salute you all today and I am closely connected to you from my heart.

今天我向你们致敬，我从心底与你们紧密相连。

The sustentaculum talus is closely connected with the tendons and vessels running along medially.

载距突与内侧的肌腱和血管紧密相连。