Echovirus
,ECHO virus[微]艾柯病毒,人肠道孤病毒, 人肠细胞病变孤儿病毒
🗣️ 情景例句
That's true.
确实是这样。
Karl must concentrate on his work.
卡尔必须集中精力于自己的工作。
But even when such refinements are not available, there is plenty to keep you occupied.
即使没有这些消遣条件，也总是有事可做。