The base of scoin is cut diagonally to expose a large oval of cambium.接穗的基部被切成斜形,暴露出椭圆形的大圈形成层.The callus originated from several parts , but mainly from cambium.愈伤组织是多起源的, 但主要源于形成层.A tissue produced inwardly by the cork ...
It's very dangerous to walk on an ice - covered lake in spring.春天在结冰的湖面上走是很危险的.A minibus is trapped on an ice - covered road in Chenzhou, Hunan province.一辆小巴被困在湖南郴州一条被冰覆盖的公路上.Snow covered up the grass, and ice cover...
A black Mercedes screeched to a halt beside the helicopter...一辆黑色的梅赛德斯轿车在直升机旁嘎的一声刹住了。He slammed on the brakes and the car juddered to a halt.他猛踩刹车，汽车在剧烈震动中停下来。The car came to a halt just in time to prevent an accident.汽车...