Bleeding may be chronic and insidious or brisk and lifethreatening.
出血可以是慢性和隐袭的，或是活跃和危及生命的。
the act of concealing yourself and lying in wait to attack by surprise.
把自己隐蔽起来等待奇袭的行为。
Those hiding in order to attack by surprise.
伏击者那些隐藏以进行出其不意的袭击的人
Actinobacillosis develops insidiously in soft tissues.
放线杆菌病是在软组织中呈隐袭性发生的。
The Study of Electronic Coursework anti-Plagiarism Based on Information Hiding Technique
基于信息隐藏技术的电子作业防抄袭研究
As a rule the swine infested with the lungworms carrying the "masked virus" did not develop swine influenza immediately upon infestation with the lungworm.
通常，受到携带了“隐蔽病毒”的肺丝虫侵袭的猪，并不因肺丝虫的侵袭立即发生流感。
Using his small size to his advantage, he can render himself invisible, enabling him to stab his enemies in the back.
运用他小型身躯的优点，他能使自己隐形并从背后偷袭他的敌人。
smut fungus attacking heads of corn or sorghum and causing a covered smut.
一种黑穗病菌，侵袭玉米或高粱属类植物的头部，引起隐蔽的黑穗
The partisans lay up by day and by night sallied out to attack convoys.
游击队白天隐蔽起来，夜晚出动袭击敌人的护航舰队。
This disease may develop insidiously, with fever as the only clinical manifestation.
这种病可能隐袭发生，仅有发热为其唯一的临床表现。
The act of attacking or assaulting.
袭击袭击或攻击的行为
A surprise attack by a small armed force.
突然袭击，奇袭由小股部队进行的急袭
"It may include dramatic strikes, visible on television, and covert operations, secret even in success."
它包括我们可以从电视中看到的激烈的空袭,以及甚至连成果都秘而不宣的隐蔽行动。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，还有一利更加隐蔽有害的污染，它专门影响城镇地区，侵袭我们的日常生活，那就噪音。
She was still surrounded by darkness, darkness filled with evil grinning faces. The faces came closer.
黑暗依旧从四面八方袭来。 黑暗中隐约现出许多狞笑的脸。 这些脸向她逼近。
Invisible ink, pinpricks and indentations on letters were all used to convey details of troop movements, bombing raids and ship-building.
信中的隐性墨水、眼和印凹痕都透露着部队动向、弹突袭和军舰装备等信息。
The guerrillas sallied forth from their hiding-place and attacked the enemy.
游击队员们突然从隐蔽处冲了出来,袭击敌人。
A sudden raid or military advance.
突然侵袭突然的侵袭或军事进攻