Hrb
abbr. 危险性评审委员会（Hazardous Review Board）
🗣️ 情景例句
Pete wrote us and told us.
Pete写信告诉我们的。
He is too lazy to move but luckily he has strong toes.
他虽然懒惰得不肯动，但是幸而有强壮的脚趾。
The garden was soon littered with chunks of metal which had once made up a lawn mower.
一会儿工夫，割草机便被拆成一个个金属零件，乱七八糟地堆在花园里。