test firing短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 试验点火 Second test firing of this motor, a successful one. 第二次试射这种电机，一个成功的。 chinamodel South Korean media quoted Seoul defense officials Wednesday as saying the North has conducted a test firing of at least two short range missiles. 韩国媒体星期三引述首尔国防官员的话说，北韩已经进行了至少两次短程导弹试射。 ebigear