upper

/'ʌpә/ uk　 词频 #1955

大学英语四级大学英语六级考研英语英语专业八级英语专业四级

upper 是什么意思

中文释义

a. 上面的, 较高的, 上级的, 上院的, 穿在外面的, 北部的, 地表的, 后期的

n. 鞋帮, 上齿

英文释义

n. piece of leather or synthetic material that forms the part of a shoe or boot above the sole that encases the foot

s. the topmost one of two

s. higher in place or position

s. superior in rank or accomplishment

upper 的真实例句

以下例句摘自真实英文文章，看看 upper 在自然语境里怎么用：

The models' performance here is an upper bound on what they'd achieve in a fully autonomous scan.

—— Small models also found the vulnerabilities that Mythos found

Muons are subatomic particles produced when cosmic rays from supernova explosions interact with matter in Earth’s upper atmosphere.

—— How cosmic rays are helping mining companies find critical minerals underground

When I toured the upper floors, I grasped the dimensions of the emptiness.

—— Masterpieces of the New Deal

The researcher found that, as an upper limit, we can expect this to happen once every billion billion years .

—— What happens if you’re hit by a primordial black hole?

词形变化

同词表相邻词汇