- 1. 安全帽
- 2. 戴安全帽的建築工人
- 3. 外表激進的保守派人士；死硬的保守分子
It's somehow surprising to pass, hard-hatted, through the rigor of a construction site and into a hallway filled with ballet ...
also assume that the hat stay at where it was blown off, c = rate of the current r = rate of...
...大帆船，或者操作起重機。 "Mommy, I don't want to wear a hard hat. Hats itch." 媽咪，我不想戴硬梆梆的帽子，帽子讓我的頭癢癢的...