1.Flint's water system was tainted with lead several years ago and many people, including children were exposed to it.
taint 污染
Rancid oil will taint the flavour.
變質的油會破壞味道 。
2.And a Boston fire truck ladder collapsed onto a three story building.
collapse倒塌
A section of the Bay Bridge had collapsed.
海灣大橋有一部分坍塌了 。