梯次队形 Traditional 梯次隊形 tī cì duì xíng 🔊 echelon formation (military) + Review this word Meanings tī cì duì xíng 梯次隊形 echelon formation (military) Its characters 梯tīladder; stairs次cìnext in sequenceHSK 2队duìsquadronHSK 4形xíngto appear