图说英语：牛津初中英语，重点词汇用法汇总(13)

18、buy vt. 买 buy sb. sth. /buy sth. for sb. bought bought
My father bought me a new bike yesterday./ My father bought a new bike for me yesterday.我父亲昨天为我买了俩自行车。
sell vt. 卖，出售 sold sold
Hunters will make a lot of money if they sell elephants’ tusks.
猎人通过卖象牙来赚钱。
19、by prep. 通过，靠，用（表示通过某种方式）
by bus/ bike/ plane/air/ train/ ship/sea/underground/boat
by doing sth.
Now we can take an underground to the centre of Nanjing.
Now we can go to the centre of Nanjing by underground.
现在我们可以乘地铁到南京市中心。
We go to school by bike every day.
We ride bikes to school every day.
我们每天骑自行车上学。
She wanted to remind us that we should protect the environment by showing us the beauty of nature.
她想通过向我们展示大自然的美来提醒我们应该保护环境。