1) I want to buy this one.

我要买这一个。
2) I want to buy a bra.

我要买一个乳罩。
3) I' ll take this one as well.

这一个我也要。
4) I want a lighter.

我要买个打火机
5) I want to buy several basketballs.

我要买几个篮球。
6) I want a large box; this is too small.

我要一个大盒子;这个太小了。
参考词条