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移像光電攝像管
??? 情景例句
These knives are guaranteed never to go blunt.
這些刀保證不會(huì)變鈍。
The two warring countries refused to negotiate.
這兩個(gè)交戰(zhàn)國(guó)拒絕談判。
Yes, Miss Gao.
可以，高老師。