So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。
新概念英语第四册
Lesson 43 Are there strangers in space
📚 句中词汇解析
从本句中提取的重要词汇
n. 数字;数量;号码;编号;
v. 标号;总计;把…算作;
💡 numer, number 表示”数字”;”计算”,”估算”
"The number of people employed in agriculture has fallen in the last decade."
过去十年，农业从业人数已经下降。
近义：numerate, reckon, recount, sum, tally, cipher
反义：remove, subduct, take, withdraw, deduct
vi. 存在;生存;生活;继续存在;
💡 ex出+ist站立→站出来→活下来→存在，生存
"There exist many sources of energy both potential and kinetic."
存在着许多势能和动能的能源.
近义：be, live, subsist
v. 知道;了解;认识;确信;
n. 知情;
💡 知道know的人爱说自己不no知道
"Do you know your ABC?"
你认识所有的字母吗？
近义：learn, understand, get, cognize, comprehend, meet
n. 百万;
adj. 百万的;无数的;
💡 百万米(mi)再加一(l)粒(li)在上面(on) “密零”（谐音）（一百万就是1后面有密密麻麻的零）
"The paper got clobbered with libel damages of half a million pounds."
这家报纸被罚以五十万英镑的诽谤损害赔偿金。
estimated
[['estimetid]]
a. 估算的；估计的；预计的
近义：appraisive, presupposed, valued, cherished, worthful, esteemed