热胀冷缩 rèzhànglěngsuō expand when hot and contract when cold Definitions Defs Origin Strokes Stroke Words Sentences Sents 热 熱 rè noun heat (physics) heat as a form of energy; thermal energy胀 脹 zhàng nounverb to swell to swell or expand in volume, often due to heat or pressure冷 lěng adjective cold low temperature; chilly; to feel cold缩 縮 suō verb to shrink to shrink; to contract; to reduce in size or length
