seal up造句

Seal up one end of a glass tube about 34 inches long.
把长约34英寸的玻璃管的一端封闭起来.

We seal up the windows when winter comes.
冬天来临时,我们密封窗户.

Seal ( up ) the window to prevent draughts.
把窗户封起来以防风.

• #seal up