1.infest plants or a place 大批出沒于
pests like aphids which infest cereal crops.
像蚜蟲那樣大肆侵害谷類作物的害蟲 。
2.project a film or picture onto 投映
The team tried projecting the maps with two different projectors onto the same screen.
該組嘗試用兩臺不同的放映機(jī)將地圖投映在同一屏幕上 。
3.seal off 封閉
Windows are usually sealed off.
窗戶通常是封閉的 。
adj. 擔(dān)憂的,關(guān)心的