Undersaturation
欠饱和, 未饱和
🗣️ 情景例句
Dad ... Robbie. When did you come?
爸爸……Robbie。你们什么时候来的？
No man knows when he shall die, although he knows he must die.
纵然知其难免一死，人却难料何时身亡。
gradually, and often quite swiftly,
那么渐渐地，往往也是很顺利地，