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
Do you have any coupons?
你们有优惠卡吗？
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
I don't know, she says.
她说“我不知道”。