Virus variation
[医] 病毒变异
🧩 词语组成解析
virus
['vaɪrəs]
n. 病毒;病毒性疾病;毒素，毒害;[计算机科学]计算机病毒;
🗣️ 情景例句
We are four in all.
我们家共有四口人。
Many people were against the new freeway.
许多人反对新的高速公路。
the waters flow more quietly, and in the end, without any visible break,
河水流得平缓起来，最后连绵不断地