"So we undoubtedly observed much more coordination while in the activity last night time than we had noticed in previous times, as to who was dong that coordinating I am not able to convey still." indica­tive indica­tive pre­sent indef. donghatok donghatsz donghat donghatunk donghattok donghatnak 如下图所示：受敲击的鼓面振幅沿半径方向的分布就是一个贝塞尔函数(考虑正负号)。实际上，这些... https://dongkhai61693.pages10.com/little-known-facts-about-đông-khải-71889128