Penetrameter
[化] 透度计\\n[医] 透度计
🏥 医学释义
X 射线透度计
🗣️ 情景例句
You hold on to them so there won't be a problem later.
你来保管， 免得等一下又出问题了。
You're very cheerful today.
你今天很快活。
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。