Learning machine
[计] 学习机
🧩 词语组成解析
🗣️ 情景例句
Come on, Sam ...
好啦， Sam……
Don't forget to put stamps on your letter.
别忘了贴邮票。
When the plants are in the ground I'll put some powder on the soil.
白菜在地里生长时，我得在土壤里施些肥粉。