久: Ⅰ形容词(时间长) for a long time; long 短语和例子很久以前 long ago; 久经考验的战士 a long-tested fighter; 天长日久 after a considerable period of time; 让你等的时间久吗? have you been waiting long? 对不起, 让你久等了。 sorry to have
Example Sentences:
1.
Status and prospects of schleichera oleosa ' s propagation 紫胶虫优良寄主植物久树的繁殖技术
