unfortunately ,i do(did) not have deeply research(ed) on boost,but i know (the) how to do it actually,and you('re) still puzzled by (the) substrate of pmos。( i only have to say )(没见过这种说法):ha ha, and u (should) keep the substrate of pmos always high
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i (was) also puzzled by how relieved(这个词放这感觉好诡异) your boss let you do(design) a boost converter without any guider
unfortunately ,i do(did) not have deeply research(ed) on boost,but i know (the) how to do it actually,对于上面这句话,首先时态是错误的,应该过去式。但是have research on 这里动词是have,不应该have deeply research(ed) on。 所以正确的是我的原话。
but i know (the) how to do it actually这个你要加个the?你解释下。