Iaaf
国际业余田径联合会
🗣️ 情景例句
someone to sign for the loan for you.
找个人为你们的贷款签个名。
Billy, get off the doggie's tail.
比利，得扰人处且饶人，放他一马吧。
It is because his feet move on, but his head stays still.
这是因为他的脚动了，而他的头保持着静止。