threefold的知识精选

“threefold”可以造什么句,threefold造句
Athreefoldcordisnotquicklybroken.Thepopulationincreasedinnumberthreefold.Andfivefold,threefoldandtwofoldaxesofrotationalsymmetry.Thegraphsshowathreefoldincreaseinthenumberof…Thisthreefoldofficecontin...
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