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 a good deal: buy 1, get 1 free.
这可是个好买卖：买一送一。
Solid packing and overall stuffing can prevent the cases from vibration and jarring.
坚固的木箱和箱内严密的填充可防止木箱受震、开裂。
Everybody admires him for his great sense of humour --
人人都钦佩他那绝妙的幽默感 -- 人人，