and so on的同义词
and so on的意思是诸如此类，依此类推，等等 其同义词主要有： ①and the like 等等，依此类推 ②and so forth 等等 ③so on and so forth 等等 ④or whatever 之类的 ⑤etcetera n. 等等；附加物；附加的人；以及其它 You need energy to move your arms around and move around mechanical systems, obviously, cars, boats,...