it sent sparks down to the ground...请问down在此是介词还是副词啊?怎么判断?

it sent sparks down to the ground...请问down在此是介词还是副词啊?怎么判断? it sent sparks down to the ground里down 和to分别是什么词性什么用法?down 和to应该不都是介词吧? 请教一个英语单词it sent sparks down to the ground.这里的down to 是降到地面的意思那如果想表达降到地下该怎么说?降到地面以下 In winding itself around the wires the snake had sent sparks to the ground and it coused the fire 翻译 sparks sparks sparks In winding itself round the wires,这儿为什么用in?In winding itself round the wires,the snake had sent sparks down to the ground and this caused the fire.这句话前面为什么用in? the were （）by the strange visitors.A sent away B sent back C sent down D sent for. they sent her an e-mail的同义句she took the pen out and wrote it down 同义句 he sang a song 同义句 sent it crashing into the courtyard below中的sent是什么意思? get it down 还是 get down it burn it down歌词 write it down write it down cut it down是什么意思 write it down. turn it down