Antideteriorant
[机] 防坏剂, 防老剂
🗣️ 情景例句
Can you tell me where the tourist sites are located?
你能告诉我本地有什么旅游名胜吗？
Are you in touch with him now?
你现在和他有联系吗？
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。