operation可數嗎
It'stimetoputourplanintooperation.現在應該執行我們的計劃了。Thesystemhasbeeninoperationforsixmonths.這個系統已經運行六個月了。Theoperationcouldprolonghislifebytwoorthreeyears.這次手術可使他多活兩...
It'stimetoputourplanintooperation.現在應該執行我們的計劃了。Thesystemhasbeeninoperationforsixmonths.這個系統已經運行六個月了。Theoperationcouldprolonghislifebytwoorthreeyears.這次手術可使他多活兩...
It'stimetoputourplanintooperation.現在應該執行我們的.計劃了。Thesystemhasbeeninoperationforsixmonths.這個系統已經運行六個月了。Theoperationcouldprolonghislifebytwoorthreeyears.這次手術可使他多活兩...
Thesystemhasbeeninoperationforsixmonths.這個系統已經運行六個月了。Theoperationcouldprolonghislifebytwoorthreeyears.這次手術可使他多活兩三年。Hisqualityoflifehasimproveddramaticallysincetheoperation.手...