Certificateof testing
[化] 检验证书; 检验证明书
🧩 词语组成解析
testing
[['testiŋ]]
n. 测试\\na. 吃力的, 试验的
🗣️ 情景例句
This is the last chance you can get up to 60 percent discount.
这是您可以得到6折的最后机会。
All asses wag their ears.
傻子总爱装聪明。
I'm sorry,I'm don't know.
很抱歉，我不知道。