Ultrathene
乙烯-醋酸乙烯共聚物
🗣️ 情景例句
Dogs make great pets, but don't leave them alone with small children.
狗是最好的宠物，但不要让狗和小孩子单独在一起。
The voice is not distinct.
声音不清楚。
CUSTOMS OFFICER: Are you tourists?
你们是来旅游的吗？