1704931652
She was doubtful of his good intentions. 她对他的良好愿望有点儿怀疑。
1704931653
1704931654
He’s doubtful (about) whether he can afford it. 他怀疑他是否出得起这笔钱。
1704931655
1704931656
The results of the experiment are doubtful. 实验结果值得怀疑。
1704931657
1704931659
332 downstairs
1704931660
1704931661
downstairs可用作副词，表示“到（在）楼下”：
1704931662
1704931663
He went downstairs to breakfast. 他到楼下去吃早饭。
1704931664
1704931665
Is anyone downstairs yet? 楼下已有人了吗？
1704931666
1704931667
She is waiting downstairs. 她在楼下等
1704931668
1704931669
它也可用作形容词，表示“楼下的”：
1704931670
1704931671
The downstairs room are already full of people. 楼下的房间已坐满了人。
1704931672
1704931673
Our neighbors downstairs are very noisy. 楼下的邻居非常吵人。
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1704931675
还可用作名词，表示“楼下下一层房子”：
1704931676
1704931677
They rent the whole downstairs. 他们租了楼下整个一层。
1704931678
1704931679
The downstairs isn’t interesting, but the upper floors are nice. 楼下那层没什么意思，但上面几层很不错。
1704931680
1704931682
333 downwards—downward
1704931683
1704931684
downwards在英式英语中为副词，表示“向下”：
1704931685
1704931686
Nina glanced downwards. 尼娜往下望了一眼。
1704931687
1704931688
He lay on the floor face downwards. 他脸朝下躺在地板上。
1704931689
1704931690
在美式英语中通常用downward这个形式作副词：
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1704931692
The blood from the wound spread downward. 伤口的血往下流淌。
1704931693
1704931694
She sat by the window, looking downward. 她坐在窗口往下望。
1704931695
1704931696
在英式英语和美式英语中都可用downward作形容词，表示“向下的”：
1704931697
1704931698
Share prices continued their downward trend. 股市价格继续下跌。
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1704931700
a downward movement of the head 头向下的动作
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