Mailrelay
邮件接力
🗣️ 情景例句
I want to thank you for placing such a big order with us. You won't be disappointed.
谢谢你下了这么大的订单，你一定不会失望的。
He has been to America.
他曾去过美国。[表示曾经有过的经验]
hold the string so that the weight nearly touches the ground.
让重物几乎接触地面。