1.   Danneels said prototypes of a hand-held chemical analyzer could detect toxins in water in less than four minutes.

2.   He was saved because he was en route from Namibia to the United States, where doctors detected the toxins and treated him.

3.   The toxin has been detected in the office of Senate Majority Leader Tom Daschle, D-S.D.

4.   Toxins were detected in his blood stream.

v. + toxin >>共 110
produce 20.27%
release 8.31%
contain 4.32%
neutralize 3.65%
use 2.99%
remove 2.99%
make 2.33%
eliminate 1.99%
carry 1.99%
ingest 1.99%
detect 1.33%
detect + n. >>共 983
cancer 3.31%
sign 2.66%
problem 2.66%
presence 2.46%
shower 2.41%
change 1.64%
explosive 1.56%
fraud 1.40%
movement 1.40%
disease 1.40%
toxin 0.11%
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