Billhead
n. 空白单据
🗣️ 情景例句
The student has a very wide range of interests.
那个学生的兴趣非常广泛。
You can count on us.
你可以信赖我们。
The body's tissues are self-repairing and self-restoring to a degree, and function best when more or less continuously active.
人体组织在一定程度上有自我修补和自我恢复的能力，有张有弛地连续活动时，其功能最佳。