yam

And we went into the poisonous giant tubers, like the yam and the taro, which also had to be leeched, ground up and cooked before we could eat them.

我们也寻找到了那些带有毒性的、个头颇大的块茎，像山药、芋头，这些在食用之前得经过榨取、提炼和烹饪。