单词	simple lever
释义	simple lever 单杠杆
随便看	interior cold interior-cold interior cold syndrome interior cold syndrome of deficiency type interior collocation interior color interior common tangent interior communication interior communication cable interior communications interior communication system interior conduit interior conical refraction interior conjunction interior contact interior container interior content interior coordinator interior core interior crest interior crew interior crop row interior decorating interior decoration interior decorations 玉堂人物玉堂金马玉宇琼楼玉尺量才玉律金科玉惨花愁玉成其事玉成其美玉振金声玉昆金友 19811 19812 19813 19814 19815 19816 19817 19818 19819 19820