放下

lay down; put down; set down; let go of; drop; abandon; relinquish; give up; lower; place down; deposit; unload; disengage; release; surrender; leave; set aside; let down; divest of

手机

mobile phone; cell phone; cellular phone; smartphone; handset; cellular; handphone

演讲

give a lecture; speak; lecture; address; give a speech; make a speech; deliver a talk; give an address; speech; talk; discourse; oration; oratorical; on; oratorically