Cover the container with a clean piece of wood 用一块干净的木头将容器盖起来。
2.
Cover the container with a clean piece of wood 用一块干净的木板将容器盖住。
3.
" notices and posters have been posted at all wholesale markets to alert traders to take appropriate actions such as removing stagnant water and covering water tanks to eliminate possible mosquito breeding grounds 他说：员工亦在各个批发市场张贴通告和海报，提醒业界采取适当措施预防蚊患，例如清除积水和将贮水容器盖好。
