用法:
1 point at which sth is ended; limit 截止点; 界限:
[attrib 作定语] reach the cut-off point 达到截止点.

用法:
2 device for stopping a flow of water, electricity, etc （水流、 电流等的）截断装置, 断流器.

• appointment
• appreciate
• approach
• appropriate
• approval
• approve
• approximate
• arbitrary
• architect
• architecture
• argue
• argument
• arise
• arithmetic
• arouse
• arrange
• arrangement
• arrest
• arrow
• artificial
• artistic
• as
• ash
• ashamed
• aside