?限制

限制 limit;restrict;refrain;restrain;keep within limits;confine;keep in check 一般人认为… conventional wisdom suggests that…

?不断检查

只是因为有了免疫系统的不断检查（Keep in Check），机体才能..

?阻止

阻止(keep in check), 此释义来源于网络辞典。

?抑制

...kick in... keep in抑制；（使）继续燃烧... keep in check抑制；约束；制止；牵... keep in contact with与…保持联络...