trace造句
1 He seems to have vanished without trace.
2 We must trace the source of these noxious gases.
3 He could trace his ancestors back seven hundred years.
4 We must trace the source of these noxious.
5 I have been unable to trace the letter you mentioned.
6 The police have been unable to find any trace of the gang.
7 Trace around your template and transfer the design onto a sheet of card.
8 No trace of wings in the air, but I have been over.
9 All trace of his working - class background was deliberately obscured.
10 His family can trace its history back to the Qing Dynasty.
11 The police are trying to trace the mother of a newborn baby found abandoned outside a hospital.
12 There was not a trace of cynicism in his voice.
13 He's a modest, mild-mannered man, without a trace of self-importance.
14 The ship had vanished without trace.
15 The police put a trace on the call.
16 The origins of the custom are difficult to trace.
17 I can't trace the letter you sent.
18 The trace showed a normal heart rhythm.
19 We are trying to trace the source of infection.
20 Kelp is rich in vitamins and trace elements.
21 Officers were unable to find any trace of drugs.
22 The phone company put a trace on the call.
23 How far back can you trace your family tree?
24 All her yesterdays had vanished without a trace.
25 This trace shows the heartbeat.
26 Our efforts to trace him turned up nothing.
27 A trace of hesitancy showed in Dr. Stockton's eyes.
28 Throughout, he showed no trace of self-pity.
29 Since his last book five years ago, he seems to have sunk without trace.
30 Using the right hand to touch the string gently through the fingers,the trace of lubrication,with my flying fantasy.
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