肝脏手术需要高超的技术和格外的专心。 (exact)
查看答案
是留在学校继续读书深造还是找工作，他处于进退两难的境地。 (dilemma)
In Augmentation, what is the key to kill pests？
Elapid snakes are always ______.
The bandy bandy is definitely a poisonous snake and looks alarmingly dangerous but virtually it's ______ to humans.
微信支付 
支付宝支付