outdoor
a.户外的，露天的
A lot of outdoor activities will take place in the park tomorrow.
公园明天会举办很多户外活动。
outdoors
adv.在户外
I want to stay outdoors because I enjoy the scenery.
我想待在外头，因为我喜欢看风景。
I live in the countryside because I enjoy the outdoors.
我喜欢户外生活，所以我住在乡间。
indoor
a.室内的
An indoor flower market is regularly held here on Sunday mornings.
这里每个礼拜天早上都有室内花市。
indoors
adv.在室内
People must stay indoors for their safety during a typhoon.
台风期间，大家一定要待在室内以保安全。
bold
a.大胆的，勇敢的
The attempt was bold but reckless as well.
这个尝试很大胆也很鲁莽。
Ted is as bold as brass and would do anything you can imagine.
泰德脸皮厚得很，会做出任何你想像得到的事。
spit
vt.吐出 vi.吐痰
Eric spat his food out when he saw a cockroach on the dish.
艾瑞克看到菜上面有只蟑螂时，就把食物吐了出来。
I thought the gangster was going to hit me; however, he just spat and left.
我以为那个帮派分子会打我，结果他吐了口痰就走了。
chew
vt. vi.咀嚼
Amy likes to sit around and chew the fat with her girlfriends.
艾咪喜欢和她的姐妹淘坐在一起闲聊。
Peter bit off more than he could chew when he agreed to help.
彼得答应要帮助时，并没有量力而为。
suck
vt.吸 vi.糟糕，很烂(俚语)
The little boy is sucking on a lollipop.
小男孩在吸舔棒棒糖。
The little boy sat on the ground in silence and sucked his thumb.
那个小男孩安静地坐在地上吸大拇指。
The concert I went to last night really sucked.
我昨天晚上去的那场演唱会烂透了。
raisin
n.葡萄干（可数）
Tina put raisins on the cheese cake.
蒂娜在起司蛋糕上放了葡萄干。
timber
n.木材（不可数）
In this country, over 80 percent of its export earnings come from timber.
这个国家80%以上的外销收益来自木材。