Celera
n. 塞莱拉（公司名称）
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
I know the boy whose father is a guide.
我知道那个男孩的父亲是导游。
I concluded that they were simply shy of strangers.
我认为这不过是他们在陌生人面前表现出的害羞。