Tree fern
n. 椤（产于热带）
🧩 词语组成解析
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
Don't you feel well?
你感觉不好吗？
Congratulations on the completion and opening of a new Beijing branch!
祝贺美国银行北京分行的建成和开业！
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；