Interchangeability
n. 可交换性, 互换性, 可交替性\\n[计] 互换性; 可交换性
🗣️ 情景例句
There's a long way to go in reviving the countr's economy.
这个国家的经济复苏还有很长一段路要走。
How could that be?
怎么可能有这种事?
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服,他的姐姐或父母亲就只好帮他的忙。
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