首发式

shǒufàshì

首发式 — shǒufàshì

1. inaugural ceremony; ceremony marking a first launch or first run (of a train, rocket, product release, etc.)

   新列车今天举行了首发式。 xīn lièchē jīntiān jǔxíng le shǒufāshì — The new train held its inaugural ceremony today.