He visits us at irregular intervals.

他定期访我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热带雨林有一非常特别的现象，那就是定期的大开花现象。

He visits us at irregular intervals.

他定期地来探访我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科主的东南亚热带雨林有一非常特别的现象，那就是定期的大开花现象。

He visits us at irregular intervals.

他定期地来探访我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热有一非常特别的现象，那就是定期的大开花现象。

He visits us at irregular intervals.

他定期访我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热带雨林有一非常特别的现象，那就是定期的大开花现象。

He visits us at irregular intervals.

他定期地来探。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热带雨林有一非常特别的现象，那就是定期的大开花现象。

He visits us at irregular intervals.

他定期地来探访我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热带雨林有一非常特别的现象，那就是定期的大开花现象。

He visits us at irregular intervals.

他定期地我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热带雨林有一非常特别的现象，那就是定期的大开花现象。

He visits us at irregular intervals.

他地来探访我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热带雨林有一非常特别的现象，那就是的大开花现象。

He visits us at irregular intervals.

他定期地来探访我们。

Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

以龙脑香科植物为主的东南亚热带雨林有一非常特别的现象，那就是定期的大开花现象。