Her mother does housework by using robots
如下:
1:I usually learn English by reading passages.
2:I learn English by working with a group.
3:She learns math by doing a lot of exercises.
4:I study Chinese by taking notes .
5:I study Chinese by listening to tapes .
6:I study Chinese by asking teather for help.
7:We should learn English by using it.
By spaceship by doing sth. 通過做某事。
She tried to buy time by doing a lot of talk. 她企圖以滔滔不絕的談話來拖延時間。
Go beyond one's ty in doing sth. 超越職權范圍做某事。
Have an opportunity for doing sth. 有[沒有,很少有,有不多的]做某事的機會
By doing extra homework, he soon got ahead of his class-mates. 他靠多做家庭作業,很快在班上名列前茅。
May I ask a favour of you (ie ask you to do sth for me)? 請您幫個忙行嗎?
I think by doing so he was trying to strike terror into your heart. 我認為他這樣做是為了嚇唬你。
I usually learn English by reading passages
I usually learn physics by watching lifes
I usually learn chemistey by doing experiments
I usually learnChinese by taking to my Chinese teacher
I usually learn history by reading history books
I.usually learn geography by reading wolrd maps
I go to school by taking bus.
He finished his homework by asking his sister for help.
I escaped from washing clothes by taking them back home.
He earned enough money for the travelling by working after school.
He improves his English by doing practices