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
a way to encourage reading.
鼓励阅读的办法。
I often go to the office in the morning.
我常常在早上去办公室。
It is one of the ugliest faces I have ever seen.
这是我见过的最丑陋的头像之一。