(相关资料图)
200 two hundred hundred thousand billion million trllion 在加 of 时候加s,其他情况下都不加s
two hundred
lm=lumen,流明(光通量单位)w=watt,瓦所以200 lm/w说出来就是200 lumen per watt.
40,forty49,forty-nine90,ninety99,ninety-nine105,one hundred and five200 two hundred
123,221,200这三个数字的英语表达如下123:one hundred and twenty-three221:two hundred and twenty-one200:two hundred
下一篇:光笔画顺序,光笔画笔顺
Copyright@ 2015-2022 百科大全版权所有 备案号:豫ICP备2021032478号-16 联系邮箱:89 71 80 9@qq.com