Furniture foam tends to release PBDEs into house dust when it breaks down.

当家具泡沫破裂的时候，往往会释放多溴二苯醚到房屋灰尘当中。

youdao

I failed to catch the pinging sound that I now know a spoke makes when it breaks.

当时我不知道砰的一声来自何处，现在知道那是辐条断裂时发出的。

youdao

I failed to catch the pinging sound that I now know a spoke makes when it breaks.

当时我不知道砰的一声来自何处，现在知道那是辐条断裂时发出的。

youdao