【词汇讲解】
1.perpendicular adj. 垂直的，直立的，陡峭的
如：He'd drunk so much that he found it hard to remain perpendicular.
他喝酒太多，简直站都站不直了。
The wall is a little out of the perpendicular.
那墙有点斜。
2.Incorporate v. 合并，组成公司，具体表现
如：Many of your suggestions have been incorporated in the new plan.
你的很多建议已经被纳入新计划中。
We had to incorporate for a company for tax reasons.
鉴于税务原因，我们得组成公司。
3.groggy adj. 头晕的，酒醉的，摇摇晃晃的
如：He's still groggy from the anaesthetic.
他用过麻药，现在仍眩晕无力。
The attack of flu left her feeling very groggy.
她患流感後非常虚弱。
4.forearm n. 前臂
如：The joint or bend of the arm between the forearm and the upper arm.
肘关节上臂与前臂之间的关节或胳膊弯曲处
The joint between the hand and the forearm.
腕，腕关节手和前臂之间的关节