请输入您要查询的单词：
单词
be on the ball
例句
DEFINITIVE EXAMPLES 权威例句
〔ball〕
With so many intelligent students, the teacher must always
be on the ball
.班上有那么多聪明学生，老师上课时必须时刻随机应变
韦氏高阶
随便看
to overcome
to overdo it
to overeat
to overestimate
to overflow
to overhang
to overhear
to overlap
to overlook
to overpower
to overrate
to override
to overrule
to oversee
to overstate
to overtake
to overthrow
to overturn
to overwhelm
to overwrite
to own
to pacify
to pack
to package
to pad
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更新时间：2026/4/9 5:34:41