Significant figure
[计] 有效位, 有效数位, 有数字\\n[化] 有效数字
🧩 词语组成解析
significant
[sɪɡ'nɪfɪkənt]
adj. 重要的;有意义的;有重大意义的;值得注意的;
n. 有意义的事物;象征，标志;
sign记号，信号+ific产生…的+ant形容词后缀→有意义的
figure
['fɪɡjɚ]
n. 数字;算术;人物;身材;
vi. 计算;出现;扮演角色;
vt. 计算在内;估计;推测;认为;
fig做，塑造，虚构+ure名词后缀，状态 →做出的状态→形象，人物
🗣️ 情景例句
Well, please sit down
嗯， 请坐下来
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。
Three million people watched as the ashes of this great man were gently poured into the brown waters of the river that would carry them to the ocean.
还有300万人守望着这位伟人的骨灰缓缓撒入褐以的恒河，河水把他的骨灰送向大海。