🧩 词语组成解析
[医]树蛙属
🗣️ 情景例句
Something simple--but a good one.
要简单的，但要精美 。
We pitied the family in their sudden unhappiness.
那家人遭受突然的不幸，我们深感同情。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长