Certificate of analysis
[化] 化验证明书\\n[经] 化验证明, 分析证明书
🧩 词语组成解析
certificate
[sɚ'tɪfɪkət]
n. 证明书;文凭，结业证书;
vt. 发给证明书;用证书证明（或认可）;
cert 搞清 + ifi=fy表动词 + cate表名词 → certify搞清楚=证明+ cate表名词 → 证件
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
He accused the government of tearing up the negotiated agreement.
他控告政府撕毁协议。
Rats leave (or desert or forsake) a sinking ship.
船沈鼠先窜。
People change, but they don't suddenly chnge from being right-handed to being left-handed.
人会变，但他们不会从惯用右手而突然转变成左撇子的。