Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
The vitality of the movement is threatened.
这个运动的生命力岌岌可危。
I'd like a bowl of tomato soup,please.
请给我一碗西红柿汤。
I brought it here three days ago.
3天前。