Polyplant
聚合装置
🗣️ 情景例句
Grandpa helped me yesterday afternoon.
昨天下午祖父帮我的忙。
Why did you sit up so late?
为什么你这么晚还不睡觉？
Glad to meet you. What's your name, please?
很高兴认识你。请问你叫什么名字？