催化剂是一种能加速化学反应的物质.A catalyst is a substance which speeds up a chemical reaction.各种陶土管用作转化催化剂的载体.Various ceramic materials have been suggested as supports for reforming catalyst.经过泡水试验,催化剂应不开裂或破碎.To pass the water test the...
It allows nicotine to diffuse slowly and steadily into the bloodstream.它能使尼古丁平稳缓慢地渗透到血液里。They injected the drug directly into her bloodstream.他们把药物直接注射到她的血液里。Red blood cells transport oxygen through the bloodstream.红细胞通过...
自然爱好者要密切留意鹰、鸬鹚和偶尔出现的鲸鱼。Nature lovers will be on the lookout for eagles, cormorants, and the occasional whale.阿鸬鹚鱼雷几乎剪切关闭悉尼的弓.A Kormoran torpedo nearly sheared off the Sydney's bow.那些鸟是受过训练的鸬鹚.The birds are trained c...
I believe this simile largely speaks the truth.我相信这种比拟在很大程度上道出了真实.This is the simile of what I have just given to you.不过这是我已经给予你们的明喻.As I walked on slowly, a bright simile bloomed on my face.我慢慢地走着, 我脸上现出了快乐的笑容....
She's due to give birth at any moment.她随时可能分娩。How often does your dog have puppies? ( How often does your dog give birth to puppies? )你的狗隔多久下一窝小狗?And that is where they are going to give birth, at the end of August....