Shortly after implantation the blastocyst wall, the trophoblast, consists of two layers of cells.植入之后不久,胚囊的壁, 即滋养细胞含有两层细胞.The blastocyst is then surgically introduced into the uterus of a foster mother.然后通过手术把胚囊引进寄养母体的子宫...
This is FM stereo one oh three point seven.这里是调频立体声103.7。For the nuclear diameter we have used 18 fm.我们用18fm作为原子核的直径.Built - in with radio tuner function which lets you preset 30 FM channels.内 置 收音机功能,更可预设30个FM电台频道....
almost certainly convergent几乎必然收敛的We shall study a very particular kind of sequences, called convergent sequences.我们将研究称为收敛数列的很特别的一类数列.The basic designing ways for knitting garments are the emanative thinking and the con...
The dogs continued to paw and claw frantically at the chain mesh.那些狗继续用爪子疯狂地抓铁丝网。He shook Keaton's hand with his big paw.他用他的大爪子握了握基顿的手。He removes a thorn from a lion's paw.他从狮子脚掌上拔下一根刺。...
大自然最让人惊叹的是它的无限多样性。The most amazing thing about nature is its infinite variety.它的发电成本要比核电站低。It will produce electricity more cheaply than a nuclear plant.发现问题后，如何克服它的问题又出现了。Having identified the problem, the question aris...