Hdm
分层开发方法论
🗣️ 情景例句
You've got the wedding-day jitters!
已经得了婚礼紧张症了！
Please don't blame yourself.
请不要责怪你自己。
Earlier, we were infants and young children, and consequently more vulnerable;
再早一些，我们是幼儿和小孩子，身体较脆弱；