| Front | tang, tact |
|---|---|
| Back | 词根含义：to touch,接触,即基础几何学中的正切（tan）; 助记词：tangent，tang（接触）+ent=》刚刚接触到曲线的直线=》切线 同根词：contact, contagious, intact, tact, tactile, tangent, tangible |
Tags: 400root-中文版
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Next card: Tain ten tin 词根含义：to hold,握/持; 助记词：contain，con（全部）+tain（握）=》全部都握住=》包含 同根词：abstain continent
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