| 单词 | riser |
| 释义 | riser UK ['raɪ.zər] US [-zɚ] noun PERSON 人 early/late riser ■a person who usually gets out of bed early/late in the morning 起床早／晚的人 UK ['raɪ.zər] US [-zɚ] noun STEP 踏板 countable specialized ■the vertical part of a step 楼梯踏步立板 risers [plural] US ■a group of steps on which people sit or stand to see or be seen better （台阶式的）看台 |
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