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
It's a beautiful day.
今天天气真好。
There's still hope.
还是有希望的。
Who's going to look after the house?Who's going to look after the garden?
谁来看管房子啦，谁来照料花园啦，