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
They're getting divorced.
他们快要离婚了。
Pleasant dreams!
愿您睡得香甜！
Shall I keep him away from school?
我是否要他不去上学？