Reference checkpoint
[计] 参考检验点
🧩 词语组成解析
checkpoint
['tʃekpɔint;'tʃekˌpɔint]
n. 检查站，车站的行李房;
🗣️ 情景例句
They're here!
他们到了。
Who is the greatest poet of our times?
谁是当代最伟大的诗人？
We have got quite used to them.
对这些，我们已经司空见惯了。