n. 等级;职别;成绩等级;年级;
vt. 安排;依序排列,依等级排列;评估;评分;
vi. 属于…等级;缓缓地变化或发展;
grad表示步,级 + e → 给…分等级
🗣️ 情景例句
Every cloud has a silver lining.
乌云背后是银边,否极泰来。
To play baseball
打棒球
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.