Development organization
[计] 研制单位
🧩 词语组成解析
🗣️ 情景例句
will see it and hear it?
看到和听到它呢？
If I had known that, I could have helped you.
假如我早知道，我就能帮你了。
They help their parents to open their stockings, too.
他们还帮助父母打开他们的袜子。