put the phone down 与lucy put the sandwiches on tput the phone down 与lucy put the sandwiches on the table.为什么第二个句子没有down.
问题描述：
put the phone down 与lucy put the sandwiches on t
put the phone down 与lucy put the sandwiches on the table.为什么第二个句子没有down.
答
一个是放下,另一个是放在xxx,意思不同