Double bond migration

double ['dʌbl]

adj. 双的;两倍的;两面派的;双人用的; vt. 使加倍;把…对折;重复; vi. 加倍，加倍努力;快步走; adv. 两倍地;双重地; n. 两倍;双精度型;

doub二，双+le反复 → 反复两倍 → 翻倍

bond [bɑnd]

n. 纽带;联系;债券;保释金; v. 使结合;建立互信关系;与…紧密联系;与…黏合;

bond(to bind)→束缚；债券；契约；保证人

migration [mai'ɡreiʃən]

n. 迁移，移居;

she would call us.

她会打电话过来的。

I'm not strong enough.

我还不够强壮。

On our way home that night I looked down and saw that the necklace was not around my neck any more. I told Pierre. We rushed back to the palace and looked for it.We asked everyone there if they had found a necklace, but without luck. We couldn't find it;

那天晚上在回家的路上，我低头一看，发现项链不再挂在我的脖子上了。我告诉了比尔。我们马上赶回王宫去寻找。我们询问了那儿的每一个人，问他们是不是拾到了一条项链。可是，真倒霉。我们找不到那条项链；它丢失了。