keep under observation是什么意思

用法例句

It is very helpful for English learners to know such reading ways as study reading,average reading,skimming and scanning to get rid of some bad reading habbits and raise reading speed,improve reading ability and strengthen reading understanding.

对于英语学习者来说 ,了解不同的阅读方式和方法 ,比如仔细阅读 ,普通阅读 ,略读 ,查阅等 ,并在阅读中努力克服不良习惯 ,这对于提高阅读速度 ,培养阅读能力 ,加强阅读理解很有帮助。