英语语法分析

Such verrucae are too small to cause serious cardiac problems.

这种疣状突起很小，不至于引起严重的心脏疾病。

Such verrucae are too small to cause serious cardiac problems.

此疣状赘生物的体积较小，一般不引起严重的心脏病。

Such verrucae are too small to cause serious cardiac problems.

这种赘生物小不至于引起严重的心脏疾病。