Cd50
[医] 半数治愈量
🗣️ 情景例句
Don't go into hysterics.
不要歇斯底里。
If you have no hand, you cannot make a fist.
巧妇难为无米之炊。
Then grow some tomatoes in one box which has plant food in the soil and some in another box which doesn't.
然后，在一个箱子里种一些西红柿，里面的土有养料，而在另一个箱子里也种一些，但里面的土没有养料。