重点讲解：
1. thanks to 幸亏；归因于；
They were already under stress, thanks to the aftershock of last year's drought.
去年遭受的旱灾让他们心有余悸、倍感忧虑![M^8C8;^FBsuOi。
2. be made of （由…）构成的；（由…）制成的；
The gates were made of wrought iron.
这些大门是用熟铁制成的YKZfp)EFfq,#=nr。
3. turn off 关上；关掉；截断，切断（…的供应）；
The light's a bit too harsh. You can turn it off.
灯光有点太刺眼了e-ImxPjibVLGp#15u。你可以把灯关掉jUPXf%4eN.C=WR)k-m。
4. break off 折断；（使）断开；
The two wings of the aircraft broke off on impact.
飞机的两个机翼遭受撞击折断了eE2)6He)IiknC=_gaXk。

关注微信公众号【可可双语精读】，获取详细讲解内容