Otd
[医] 器官耐受量(放射量)
🗣️ 情景例句
We haven't heard from him for weeks but we're still hoping for a letter.
我们已经有几个星期没有他的消息，但仍然盼望着他的来信。
Friends are thieves of time.
交朋友，费时间。
Also they make the tank look much prettier.
二来，它们还可以使容器看起来更漂亮些。