Operation testing
[计] 操作试验, 运行试验
🧩 词语组成解析
testing
[['testiŋ]]
n. 测试\\na. 吃力的, 试验的
🗣️ 情景例句
What can I do for you, sir?
先生，有什么需要帮忙的吗？
Caution is the parent of safety.
谨慎小心是安全之源。
Houses -- often three storeys high -- were built of stone.
房子一般有3层楼高，用石块修建。