- 可: approve
- 预购: purchase in advance
- 的: 4次方是 The fourth power of 2 i ...
- 我们对预购的物品很满意: we are pleased with our purchases in advance
- 预购: purchase in advance 预购某物 make the purchase for sth. in advance; 我们对预购的物品很满意。 we are pleased with our purchases in advance.; 预购定金 advance payments for future purchases; 预购合同 forward purchasing contract
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