Attention should be paid to the gistory of unclean coitus or uterine cavity operation.因此,在诊断感染性疾病时应注意近期不洁同房史或宫腔手术史.They may attempt coitus with calves, ponies, sheep, pigs, dogs, and even ducks or chickens.他们可能尝试与小母牛 、 小...
"I'm only a sergeant," said Clements.“我只是一名中士，”克莱门茨说道。...a drill sergeant who would work with the men at least one hour every morning.每天早晨至少和士兵操练一小时的操练中士Ken passed the books to Sergeant Parrott.肯把那些书递给帕罗特警官。The bull...
噬菌体已复制和给体细胞已发生裂解.The phage has replicated and the donor cells have lysed.溶源性是噬菌体和寄生染色体之间的半永久联合.Lysogeny is a semi - permanent association between the phage and host chromosomes.有人提出把噬菌体分为六类.It has been proposed to group ...
Putting on an opera is a tremendous enterprise involving literally hundreds of people...上演一台歌剧是一项浩大的工程，说要涉及数以百计的人真是一点都不夸张。She struck her opponent a tremendous blow on the jaw.她猛击对手的下巴。The supporters had a tremendous air ...
The lifeboat capsized, throwing the occupants into the water.救生艇倾覆，艇里的人被掀入水中。The lifeboat crashed against the side of the sinking ship.救生船撞上了那艘正在下沉的船的侧身。The survivors were adrift in a lifeboat for six days.幸存者在救生艇上漂流了六天。...
But for you, they might have given us the slip.要不是你，我们可能已经被他们甩掉了。He tried to speak, but for once, his voice had left him.他想说话，却一时语塞。But for me television is an escape.但是对我而言，看电视是一种逃避的方法。...