Representative sample
[化] 代表性试样\\n[经] 代表抽样
🧩 词语组成解析
representative
['rɛprɪ'zɛntətɪv]
n. 代表;继任者;议员;类似物;
adj. 典型的;有代表性的;代议制的;相当[类似]（另一种属）的;
represent代表+ative形容词后缀 →代表性的
sample
['sæmpl]
n. 样品，华样;标本，榜样;（化验的）取样;[信]信号瞬时值;
vt. 取…的样品，尤指用样品来检验;品尝;抽样调查;
adj. 作为代表或范例的;
s分开+ample拿，获得→分开拿出→标本,样品
🗣️ 情景例句
This is no small accomplishment.
这是非同小可的成就。
Have you washed any dishes?
你洗碗碟吗？
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；或在人们周围列队保护，使他们免遭鲨鱼伤害。