Derival
n. =derivation
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
Work today,for you know not how much you may be hindered tomrrow.
今朝有事今朝做，明朝可能阻碍多。
Yes, Miss Gao! How many are there?
可以，高老师，有多少呢？