Substratum radiatum
[医] 辐射下层
🧩 词语组成解析
substratum
[[ˌsʌb'strɑ:təm]]
n. 基础, 根据, 下层, 基层, 基质, 培养基, 胶层\\n[计] 基底
🗣️ 情景例句
Really. I didn't like math.
真的。我不喜欢数学。
I think that should do it.
我想这样就可以了。
I think she hit her head when she fell.
我想，她跌下来时，把头给撞了。