huǒ / jiàn / diǎn / huǒ / hòu / hěn / kuài / téng / kōng / ér / qǐ / xiāo / shī / zài / yún / céng / zhōng

火箭点火后，很快腾空而起，消失在云层中。

After ignition, the rocket quickly rose into the air and disappeared into the clouds.