weighings
v. 有……重；称重量；掂估……的重量；认真考虑；将……与……作权衡；有影响；起（锚）（weigh 的现在分词）
n. 考虑权衡，深思熟虑
例句
How can youfind the ball that is heavier by using a balance and only two weighings?
怎样能够用天平仅称两次将那个重一些的球找出来。
How many weighings are needed in order to ensure the accomplishment of your mission?
为了保证完成任务，你至少需要称量多少次？
