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
I hope so.
希望如此。
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
Exploring really deep caves is not a task for the Sunday afternoon rambler.
探测非常深的洞穴不是那些在星期日下午漫步的人所能胜任的。