Undersaturation
欠饱和, 未饱和
🗣️ 情景例句
Thanks for the invitation. And please give my regards to your wife.
谢谢你的邀请。请代我问候贵夫人。
Slow help is no help.
帮忙不及时，等于不帮忙。
A lot of people object to mobile phones, especially when they are used in public places like restaurants or on public transport.
许多人都反对移动式电话，特别是在如饭店，公共交通车等公共场所使用移动电话。