用: 40分钟跑完全程 run the course in 4 ...垫石: pinner的: 4次方是 The fourth power of 2 i ...基础: foundation; base; basis柱垫: foot plate泵的基础: pumfoundation打下…的基础: lay the foundation of道德的基础: the basis of morality递增的基础: progressive base定值的基础: basis of valuation构成…的基础: underlie规定的基础: basis for establishing会计的基础: basic of accounting坚固的基础: hardpan牢固的基础: a firm foundation强固的基础: a solid foundation确定的基础: basis for establishing深厚的基础: a solid foundation稳固的基础: secure foundation以……的基础: on the basis of艺术的基础: arithmetick: or the grounde of arts在…的基础上: on the basis of扎实的基础: practice and progress; solid background支撑的基础: supporting infrastructure不可靠的基础: dubious foundation