堆垒 Traditional 堆壘 duī lěi 🔊 to pile up + Keep this word Meanings duī lěi 堆壘 to pile upaccumulative Its characters 堆duīto pile upHSK 5垒lěirampart Words with 堆垒 堆垒数论 duī lěi shù lùn additive number theory (math.)