丢弃的英文：
discard
abandon

参考例句：

disposable diapers
用后即丢弃的尿布

It would be a pity to throw away such perfect stuff!
把这么完好无缺的东西丢弃多可惜啊！

Instead of chucking them out, we made do with these old pieces of furniture.
家具虽旧,我们还是将就着使用,不肯丢弃。

Reject all spotted apples.
丢弃所有的烂苹果。

I was reluctant to unload those books
我不愿意丢弃那些书。

Don't throw away the book.
不要把书丢弃掉。

The people cast off the things that they didn't need.
人们将他们不要的东西丢弃。

Why throw away a perfectly good mobile phone?
为什么丢弃一个完好的行动电话？

If you were cast away in space, what would you do?
假如你被丢弃在太空中，你怎么办？

Something designed or likely to be discarded after use,as a free handbill distributed on the street.
临时利用件如在街上免费散发的传单等使用后很可能要丢弃或按计划应当丢弃的东西

discard是什么意思：
v.
1.[T]丢弃，抛弃
2.[T,I]垫（牌），打出（无用的牌）
n.
被抛弃的人（或物），（尤指）垫出的牌

The next player discarded a club.
下一个牌手打出一张梅花。

In this case the fractional part is discarded.
在此情况下小数部分被丢掉了。

We will discard the old books.
我们将不再使用这些旧书。

The equipment is used in beating, discarding.
该设备用于果蔬类物料的打浆、去渣。

He was discarded as an illegitimate child.
他被当作私生子抛弃了。

abandon是什么意思：
v. 遗弃；抛弃；放弃，中止；使放纵；使听任
n. 放任；放纵

To forsake;abandon.
使荒弃；放弃

She danced with abandon.
她无拘无束的跳着舞。

They were abandoned by a divided nation.
他们被分裂的国家遗弃。

I was obliged to abandon that idea.
我不得不放弃那个想法。

Abandonment and abuse are not acts of god.
放纵与滥用都为上帝所不容。