那石级长满了地衣.The stone stairway was covered with lichen.墓碑长满了地衣,已在崩落.The tombstone was lichenous and crumbling.在南极洲所发现的植物只有藻类 、 苔藓和地衣.The only plants to be found in Antarctica are algae, mosses, and lichens....
All international students live with homestay families.所有国际学生都住在寄宿家庭。Ask permission to bring your friends to your homestay.请朋友来访需先征得住宿家庭的同意.Airport pickup with homestay families or arrange taxi when students first arrive...
这支武装部队已发动进攻要夺回失去的阵地。The armed forces have launched offensives to recapture lost ground.双方经过昨天的激战后都在向各自的阵地增派兵力。Both sides have been reinforcing their positions after yesterday's fierce fighting.滩头阵地建立起来了。A bridgehead...
在洗澡或淋浴后，用丝瓜络按摩身体。After a bath or shower rub down the whole body with a loofah.丝瓜籽粉有什么药理作用?What pharmacodynamics effect does pink of towel gourd seed have?我和妈妈带着丰收的喜悦摘下了丝瓜.Mom and I took off the towel gourd harvest of joy...
再将硝酸纤维素滤膜置于含碱的湿滤纸上, 碱的作用是使DNA变性.The nitrocellulose filters are then placed on wet filter paper containing alkali, which denatures the DNA.目的: 测定知柏地黄丸中盐酸小檗碱的含量.Objective : To analyse the content of berberine hydrochloride...