单词:
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883 、 疲劳 fatigue 884 、 真空成形;真空吸塑 vacuumforming 885 、 真空成形机 vacuumformer 886 、 真空吸塑成形法 vacuummoulding 887 、 真实形状 trueshape 888 、 矩波形
Idiom: Needle and a haystack 大海捞针 Hit the book: Master As well as Mood Chemical Be stuck on Discover
释义: Stack:干草堆;Something that is extremely difficult to find. Anything that's on the verge of being impossible.很难找到的东西,也就是大海捞针; 来源: Today, this phrase is typically said as It's like trying to find
Lesson 55 Needles and Pins 第55课 缝衣针和大头针 Let us take a needle in your hand and look at it carefully. What do you see? There is a sharp point at one end. This makes it easy to push the needle through the cloth when you are sewing. 小朋
The father says the patient has cystic fibrosis. 病人的父亲说他患有囊性纤维病 Really? I didn't hear anything. 是吗 这我倒没听说 Well,he's on supplemental oxygen,so... 他现在在吸氧 所以 as long as his airways are clear,sh
This is the VOA Special English Health Report. For medical students, real experience begins not in a classroom but at a teaching hospital. These doctors in training are supervised. But sometimes accidents happen and the students get injured. For exam