请输入您要查询的词汇:
词汇
triangular numbers
释义
triangular numbers
n. pl.
(复数名词
plural noun
)
【数】
三角形数(正三角形内排列的数,即以自然数为项的串行直至第 n 项的和: 1,3,6,10,15,…)
随便看
swift fox
swift-handed
swiftie
swiftlet
swift-winged
swig
swill
swiller
swilling
swim
swim bladder
swim fin
swim meet
swimmeret
swimming
swimming bath
swimming bell
swimming belt
swimming bladder
swimming costume
swimming crab
swimming hole
swimmingly
swimming pool
swimming pool reactor
高考报名网英语在线翻译词典收录了155111条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。
Copyright © 2000-2024 Topuni.xyz All Rights Reserved
京ICP备2021023879号
更新时间:2026/3/6 4:20:01