The facilities manager warned that mice multiply quickly if the warehouse is left unsealed.

設施經理警告說，如果倉庫沒有封好，老鼠會迅速繁殖。

Our pest control vendor emailed to say the insects had multiplied in the storage room.

我們的除蟲廠商來信表示，儲藏室裡的昆蟲已經大量繁殖。

At the meeting, the farm supplier explained how bacteria multiply in poorly refrigerated shipments.

會議上，農產供應商說明了細菌如何在冷藏不良的貨物中繁殖。