stand on one's head 倒立
a bar of soap 一条肥皂,some soap
a bag of flour一袋面粉
Milk is very refreshing.牛奶很提神
at the grocer's 食品店
in return for this 作为报答，作为交换
a parcel of diamonds一小包
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spare part 备件
pigeon 鸽子
town hall 市政厅
minute hand 分针
second hand 秒针；中间人、助手
a large crowd of people 一大群 人
in twenty minutes' time 20分钟之后
clavichord 翼琴(钢琴的前身)
string （乐器的）弦
a friend of my father's我父亲的一位朋友