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
My mother has a touch of the flu.
我妈得流感了。
I often brush my teeth in the morning.
我常常在早上刷牙。
Friday, Saturday and Sunday in the country!Aren't you lucky!
星期五、星期六和星期日在乡下过！你们真幸运啊！