热胀冷缩 Traditional 熱脹冷縮 rè zhàng lěng suō 🔊 thermal expansion and contraction + Keep this word Meanings rè zhàng lěng suō 熱脹冷縮 thermal expansion and contraction Its characters 热rèhotHSK 1胀zhàngto swell; to distend; to expandHSK 7–9冷lěngcoldHSK 1缩suōto withdrawHSK 7–9