Alderfly
n. 蜻蜓科的昆虫
🗣️ 情景例句
How do you stay so young-looking?
你怎样保持如此年轻的？
Scientists contribute to the well-being of mankind.
科学家为人类造福。
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。