Flexicover
软面装订本
🗣️ 情景例句
I'm glad Mr. Marchetta was so helpful.
我真高兴 ，Marchetta先生如此帮忙。
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗？
Did you know he was having an affair?
你知道他有外遇了吗？