dock
n.码头，v.减少
The ships were all in dock before the typhoon approached.
台风来袭前,所有船只全都停靠到码头。
The boss threatened to dock Peter's salary if he was late again.
老板威胁彼得，如果他再迟到就要扣他薪水。
trail
vt.跟踪；拖 n.小径
The policeman trailed the suspect to the house he ived in.
那名警察跟踪嫌犯到他住的地方。
Lucy walked down the stairs slowly, trailing a coat behind her.=Lucy walked down the stairs slowly, tugging a coat behind her.
露西身后拖了一件外套,缓缓地走下楼梯。
The trail leads to a beautiful valley.
这条小径通往一个很美的山谷。
pale
a.苍白的,灰白的；淡色的
Upon hearing the news that his father passed away last night, Jack went deathly pale.
杰克听到父亲昨晚逝世的消息,脸色立即变得一片死白。
Laura is wearing a pale blue skirt today.
萝拉今天穿着一件淡蓝色的裙子。
faint
a.头晕的；微弱的 vi.晕倒
I didn't eat anything today and feel faint with hunger now.
我今天什么也没吃,现在饿得发昏。
Patrick spoke in a very faint voice, so no one could hear him.
派翠克讲话的声音很微弱,所以没人听到他说什么。
When I saw my favorite singer in person, I nearly fainted in excitement.
我亲眼看到最喜爱的歌手时，兴奋得几乎要昏倒。
I don't have the faintest idea what you're talking about.=I haven't the faintest idea what you're talking about.
我一点都不明白你们在谈些什么。
environment
n.环境
We should spare no effort to protect our environment from being polluted.
我们应该尽全力保护我们的环境免于污染。
environmental
a.环境的
The greenhouse effect is an important environmental issue.
温室效应是一个很重要的环境议题。
We cannot lay too much emphasis on the importance of environmental protection.
环保的重要性我们再强调也不为过。
trace
vt.追踪 n.踪迹
It isn't easy to trace your ancestors, especially your female relatives.
要追溯祖先并非易事，尤其是女性的亲属。
The bank robber disappeared without a trace.
银行大盗消失得无影无踪。
steady
a.稳定的
It's hard to find a steady job these days.
这年头要找一份稳定的工作很难。
John is going steady with Mary, and they will probably get married one day.
约翰和玛丽稳定交往,他们很可能有一天会结婚。
steadily
adv.不断地，渐渐地
With the breeze blowing steadily from the window, I couldn't help but fall asleep.
微风从窗口徐徐吹来，我忍不住睡着了。
injury
n.(身体）伤害；（名誉）损坏
It took three weeks for Sam to recover from his sports injury.
阿三哥的运动伤害花了3个星期才康复。
The sex scandal caused a terrible injury to Jill's reputation.
这桩性丑闻让吉儿的名誉严重受损。