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
Don't bother me.
别惹我。
To jump
跃，跃起
If parents were prepared for this adolescent reaction,
如果家长对青少年的这种反应有思想准备，