elementary /ˌɛləˈmɛntri/ adjective Learner's definition of ELEMENTARY
1
[more elementary; most elementary] : basic and simple基本的 -
an elementary principle基本原则
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He is lacking even the most elementary notions of fairness.他甚至缺乏最基本的公平概念。
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The researchers made an elementary error.研究人员犯了个低级错误。
: involving the simplest parts of a subject基础的;初级的 — compare elemental 2
always used before a noun,
chiefly US : of or relating to elementary school小学的