🧩 词语组成解析
bark
[bɑrk]
vi. 吠叫;厉声说话;
vt. 大声喊出;厉声说出;
n. 犬吠声;似吠声;树皮;
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）;
🗣️ 情景例句
He needs to work.
他需要工作。
I don't like wearing the uniform.
我不喜欢穿制服。
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；