Tref
a. (按犹太教食规) 不洁净的, 不可食用的
🗣️ 情景例句
No, you needn't do that.
不行呀，你不必这样。
Without all the facts, Helen could only conjecture a solution.
由于事实还没有全部完备，海伦只能臆测解决的方法。
The man went to great lengths to prove that the diamonds were real.
那人竭力想证明那钻石是真货。