英语词汇“natural background”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	natural background
释义	natural background 自然本底
随便看	torsional damper in clutch disk torsional damping arrangement torsional damping spring torsional deflection torsional deformation torsional deformation stress torsional device torsional displacement torsional distribution graph torsional divergence torsional dynamometer torsional effect torsional elasticity torsional endurace limit torsional endurance torsional endurance limit torsional energy torsional exciter system torsional failure torsional fatigue torsional fatigue failure torsional fatigue limit torsional fatigue strength torsional fatigue test torsional fault 故人倘思我，及此平生时。故人入我梦，明我长相忆。故人具鸡黍，邀我至田家故人宁如此，离恨煎人肠。故人家在桃花岸，直到门前溪水流。故人慷慨多奇节。为当年、沉吟不断，草间偷活。故人故情怀故宴，相望相思不相见故人曾任丹徒令，买得青山拟独耕。不作草堂招远客，却将垂柳借啼莺故人江海别，几度隔山川。故人渺何际？乡关云雾浮陋劣陋宅陋居陋屋陋巷陋習降降す降って降ってわいた