bark

The rough bark of the oak tree protected it from the harsh winter elements.

(Chinese) 橡树粗糙的树皮保护它免受严冬气候的影响。

Certain types of medicines are derived from the chemical compounds found in willow bark.

(Chinese) 某些药物是从柳树皮中发现的化学化合物中提取的。

The guard dog began to bark loudly as soon as the stranger approached the gate.

(Chinese) 陌生人一靠近大门，看门狗就开始大声吠叫。

The drill sergeant would bark out orders to the tired recruits every morning at dawn.

(Chinese) 每天黎明时分，钻井中士都会对疲惫的新兵们大声下达命令。