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
How was your flight?
旅途愉快吗？
I was born anAmerican; I live an American; I shall die an American.
我生下来是美国人，活着是美国人，死时也是美国人。
It's Zheng Jie here. I've just got your message.
我是郑杰，我刚刚收到你的留言。