71.   Leave no trace.

72.   The compound is not toxic, being used in some bakery items, and it does not leave any traces in milk or meat.

v. + trace >>共 113
find 31.29%
show 10.82%
leave 7.02%
contain 6.53%
have 5.75%
remove 3.80%
detect 3.31%
reveal 2.14%
bear 1.75%
see 1.56%
leave + n. >>共 926
country 4.98%
office 3.08%
game 2.96%
room 2.27%
home 1.93%
town 1.56%
hospital 1.48%
company 1.43%
field 1.27%
area 1.27%
trace 0.17%
每页显示:    共 72