🧩 词语组成解析
a. [医](病变细胞等)侵袭前的,蔓延前的
🗣️ 情景例句
Won't you be busy?
你不是有事吗？
What is it you don't like about winter weather?
你不喜欢冬天什么样的天气？
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。