Kim said his mother planted the idea of volunteer service.

金东说，从事义工服务的理想来自他的母亲。

She collected it, and when we got home, your mother planted it to commemorate our success.

是她收的，我们回家后， 你妈种下了， 是为了纪念我们的成功。

Taking root in the unstable ground of muddy coastal regions is difficult, so mangrove seedlings germinate attached to their mother plant.

在泥泞的沿海地区不稳定的土地上扎根很困难，因此红树幼苗会附着在母株上发芽。