B. u.
[医] 棱底向上
🧩 词语组成解析
[医] 单位
🗣️ 情景例句
Mike likes to write by the nice bright light at night.
迈克喜欢晚上在柔和明亮的灯光下写作。
You can't tell anybody by what they seem.
你不能凭外表判断人。
Not that long ago!I'm not more than twenty-nine myself.
不，没有那么久。我自己现在还没29岁呢。