如图是用实验方法来探究燃烧的条件.(已知:白磷的着火点是40℃,红磷的着火点是240℃)
爸爸的体重是多少千克?
The boy is not old enough to work in the field.
A: What are they?
B: They are ____.
A: Do you like ____?
B: No, I don't.
There are on my father's farm, so we often have some delicious to eat.