“火箭”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.
阿里安航天
火箭项目取得了辉煌的成功。
The Ariane space-rocket project has had a shining success.
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.