Tau.
[医] 寿命(放射性物质)
🗣️ 情景例句
I'll be OK.
没什么。
Better is the neighbour's hen than mine.
人莫知其苗之硕。
I have to wash all the plates and things after meals, and do a lot of work in the garden.
饭后我得洗全部盘子和其他东西，还要在花园里干很多活。