词汇	hang by a single hair
释义	hang by a single hair 千钧一发,岌岌可危
随便看	Variable Time Shell variable time step variable time step method variable tolerance band compaction variable-tolerance-band compaction variable tolerance problem variable toll variable topological structure variable topology variable topology random access memory variable torque variable torque dividing variabletorque motor variable torque motor variable-torque motor variable-to-variable-length code variable trace variable track Variable Tracking Strategy Variable training sequence length variable trajectory variable transconductance multiplier variable transconductance tube variable transfer variable transfer address