Sixth disease
[医] 第六病, 猝发疹, 杜克氏[疹热]病
🧩 词语组成解析
🗣️ 情景例句
Robbie put that there.
这是Robbie弄的。
What sort of guarantees are there against late delivery?
惩罚延迟发货有什么保证呢？
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。