Shs
自蔓延高温合成
🗣️ 情景例句
I was wondering if you could help me. I'd like to know.
不知道你能否帮助我，我想知道。
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
This model's less expensive than that one.
这种型号比那种要便宜些。