Certification letter
[法] 证明信件
🧩 词语组成解析
certification
[ˌsə:tifi'keiʃən]
n. 证明，鉴定，证书;
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
If you don't have the quality inquired for, please offer us its nearest equivalent.
如果贵方没有所要求质量的产品，请提供与之最接近的产品。
But I didn't see much during the flight because there was too much cloud.
但我在飞行途中并没有看到什么东西，因为云层很厚。