trace
US /treɪs/
UK /treɪs/

1.
2.
微量, 一丝, 一点
a very small quantity, especially of something that is difficult to detect
:
•
There was only a trace of poison in the sample.
样本中只有微量毒药。
•
He spoke with a faint trace of an accent.
他说话带有一丝淡淡的口音。
1.
微量, 一丝, 一点
a very small quantity, especially of something that is difficult to detect