qì xiàng yuán / shuō / bō zhuàng yún / tōng cháng / yǔ / wěn dìng de / gāo kōng qì liú / yǒu guān

气象员说，波状云通常与稳定的高空气流有关。

The meteorologist said that wave clouds are usually associated with stable air currents at high altitudes.