off的音标：off的英式发音音标为：[ɒf]off的美式发音音标为：[ɔf]...

马上，立刻...

Cation - anion exchange resin can crack and disassemble bond - chromatography , doff the bond - large - molecule and dissociate paclitaxel.阴阳 混合离子交换树脂可以使键合态紫杉醇发生裂解, 脱去键合的大分子物质,游离出紫杉醇....

n.罪犯，得罪人的人，犯规者，妨害…的人（或事物）...

Hoffman的音标：...

中止做，使放弃做，批评，责备...

to let off a few fireworks放几个烟火This train stops to let off passengers on signal.这列火车按信号停车让旅客下车.They let off their guns at the British ships.他们对英国船舶开炮....

take office的音标：take office的英式发音音标为：[teik 'ɔfis]take office的美式发音音标为：[tek 'ɔfɪs]...

shove off的音标：shove off的英式发音音标为：[ʃʌv ɔf]shove off的美式发音音标为：[ʃʌv ɔf]...

The State Water Project has shut off all supplies to farmers.州水利工程项目已切断了对农场主的所有供水。They pulled over and shut off the engine.他们靠边停车熄火。Stopping to rest, Pete shut off the flash.皮特关掉手电筒，停下来休息。...

Americans redecorate their houses and offices every few years...美国人每隔几年就会把家里和办公室重新粉刷一下。He took me around our new offices, pointing out all the salient features.他领我去我们的新办公室参观, 并一一指出显著特色.Some of the rooms were designated a...

vt.抵消，补偿，（为了比较的目的而）把…并列（或并置），为（管道等）装支管vi.形成分支，长出分枝，装支管n.开端，出发，平版印刷，抵消，补偿adj.分支的，偏（离中）心的，抵消的，开端的...

Grade cutoff is sharp within inches.数英寸内的品位变化很急剧.The amendments provide several other sanctions, including a cutoff of federal highway funds.修正案提供了几种其他制裁, 其中包括中止联邦公路资金.These cutoff values are by no means recommended valu...

offense的反义词有：defense。n.offense的反义词（违反;攻击）：defense。...

feoff的第三人称单数（三单）为：feoffs...

adj.不愉快的，厌恶的v.冒犯(offend的ing形式)...

Officers were going to retake sectors of the city.军官们打算重新夺回该市的防御区。He is loathed by some of the more traditionally minded officers.他为某些思想较守旧的官员所憎恶。A minority of officers were prepared to bend the rules.少数官员准备篡改规则。...

Wipe off any excess make-up with a clean, moist cotton flannel.用干净的湿绒布擦去多余的化妆品。Paint won't wipe off.油漆擦不掉.The paint won't wipe off easily.这油漆不容易擦掉....

goffer的第三人称单数（三单）为：goffers...

coffin的一般过去时为：coffined...

跌落...

boffin的复数形式为：boffins...

Discovery's takeoff this morning from Cape Canaveral was flawless.“发现”号航天飞机今晨从卡纳维拉尔角顺利发射升空。The commuter plane was waiting for takeoff.通勤飞机在等候起飞。She does a marvellous takeoff of the Queen.她学女王的样子学得惟妙惟肖....

Keep off the subject of politics.勿谈政治。The doctor has advised him to keep off fattening food.医生已建议他不要吃致肥食物.He told the boys playing football to keep off the grass.他告诉那些踢足球的孩子们不要践踏草坪....

磨掉，磨损，逐渐减弱，逐渐消失...

badly off的比较级为：worse off...

off的现在完成时为：offed...

coffee的复数形式为：coffees...

All the people in the buildings came to give me a rousing send-off.大楼里所有的人都热情地来给我送行。Two telegrams for Li Kuei to send off at once.两个电报派李贵去打.We send off for the new catalogue.我们去函索要了新目录....

划掉...