“发射”造句
今天一早，一枚“德尔塔”Ⅱ型火箭在卡纳维拉尔角
发射升空。
A Delta II rocket was launched from Cape Canaveral early this morning.
他用微型声波
发射器开启了门。
He activated the door with the miniature sonic transmitter.
塞西尔此时开始慌张起来，连忙
发射了两枚遇险信号火箭。
Cecil now began to panic and fired off two distress rockets.