Presence testing
[计] 存在检查
🧩 词语组成解析
testing
[['testiŋ]]
n. 测试\\na. 吃力的, 试验的
🗣️ 情景例句
The best way to promote your products is through advertising.
推广产品最好的方法就是买广告。
And trade terminology in English is helpful in actual business negotiations.
对于实际的商务谈判是非常有用的。
The big clock refused to welcome the New Year.
那座大钟不愿意迎接新年。