经过透析和冷冻干燥 、 可用免疫学方法测算.After dialysis and lyophilization , it can be detected by immunological methods.丘吉尔说过: “ 人类命运的好坏不能通过物质上的多寡来测算.Winston Churchill said that " the destiny of man is not measured by material computation...
He nodded absently.他漫不经心地点了点头。He nodded absently, his attention absorbed by the screen.他专心注视着屏幕，只是心不在焉地点了点头。She absently twisted her wedding ring.她心不在焉地搓动着她的结婚戒指....
When speaking to the seminar Mr Franklin spoke of his experience, gained on a recent visit to Trinidad.在研讨会上发言的时候，富兰克林先生谈到了他最近游览特立尼达的经历。In the island of Trinidad the oil is in the form of asphalt.在特立尼达岛,石油以沥青的形式出现.Boarde...
I suggest we gather enough firewood to last the night.我建议大家捡足够多的木柴来撑过这一晚。These incidents suggest the peace in Northern Ireland is still brittle.这些事件表明北爱尔兰的和平仍然很脆弱。The signs suggest that the elections will be non-violent ...