Orcin
n. [化]苔黑素,苔黑酚
🗣️ 情景例句
someone to sign for the loan for you.
找个人为你们的贷款签个名。
He is not in now.
他现在不在这里。
This increases their air-resistance and reduces the shock of impact when they hit the ground.
这样就加大了空气阻力，并减少了它们着地时冲击力带来的震动。