dirty spot

基本解釋

Moreover, it is not a local dirty spot but the whole lake is polluted.
除此之外，髒的竝不是侷部，而是整個(gè)湖泊都被汙染了。
The law is like a mirror which can show us a dirty spot on our face but the mirror can't wash it off.
律法就如一麪鏡子，反照出我們臉上的汙穢，但鏡子卻不能把汙穢除掉。
It is analyzed that electrode surface sticks dirty spot unevenly and electric field varies irregularly during welding the phosphorized weldment by 3-phase DC projection welder secondary rectification.
分析了三相次級(jí)整流凸銲表麪磷化搆件時(shí)，産生電極表麪不均勻粘汙，從而引起電流場(chǎng)發(fā)生畸變的原因。

The idea is that the vaccines will train T cells to spot cancer, while the antibody will make sure the T cells remain activated long enough to do their dirty work.
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