緊張的英文：
s; keyed-up; edgy; jumpy; on edge
adj. 神经的；紧张不安的；神经过敏的
- Anatomically, the nervous system is divided into the central nervous system and the peripheral nervous system.
解剖学上把神经组织分为中枢神经系统和周围神经系统。 - Her nervous tension relaxed.
她紧张的神经松弛下来。 - The brain is the centre of the nervous system.
脑是神经系统的中枢。
n. 钥匙；线索；按键；调；关键
adj. 最重要的；关键的
v. 为…调音；用键盘输入
- We have a key for the door of the house and a key for starting the car.
我们有房间门的钥匙和发动汽车的钥匙。 - I left the key in the lock.
我把钥匙留在锁上，忘了取下来。 - He fished in the bag for the keys.
他在袋子里摸找钥匙。
adj. 尖利的；紧张的，急躁的
- It was too edgy, they told Lear.
它太尖锐，他们告诉李尔。 - The edgy stick may be dangerous to play with.
玩这种尖利的棍子有危险。 - The performers were edgy as they waited for the show to begin.