它们能制造种子

sesame seeds───芝麻；芝麻籽

average speeds───[物]平均速度，[物]平均速率

heartseeds───心籽。

hempseeds───n.大麻籽（可作鸟食）；罪大恶极之人，无恶不做的人

phase speeds───[物]相速（度）

tea makers───沏茶壶

to make do───凑合

They also make sesame candy by pounding the seeds into paste with big hammers.───人们还用大锤子将芝麻压进面糊里做芝麻糖。

They grow back faster and fuller and make more seeds than they would have if left alone.───比起没被碰过的状态，它们生长得更快，更饱满，种子也结得更多。

Not so far.When we started the farm, we inspected the shipments of plants and seeds from Earth very carefully to make sure they didn't contain any weeds or insects.───为止还没有，我们仔细侦查了来自这个星球和地球的每一个货物，确保他们布包好任何野草种子和昆虫。