?? 詞語組成解析
nettle
['n?tl]
n. 蕁麻;〈比喻〉使人煩惱的事;
v. 拿蕁麻打，拿蕁麻刺;激怒，惹惱;
tree
[tri]
n. 樹;木料;樹狀圖;宗譜;
vt. 把…趕上樹;使處于困境;把鞋型插入（鞋內）;
??? 情景例句
Learning to express oneself well in an important part of education.
學會把意思表達清楚是受教育的一個重要方面。
To study in school
在學校讀書
Go right back to the beginning.
直接回到起始位置。