进行受精前用显微镜检查精子样本。
The sperm sample is checked under the microscope before insemination is carried out.
用显微镜检查细胞染色体可以查出胎儿的性别。
Microscopic examination of a cell's chromosomes can reveal the sex of the fetus.
参观者必须从显微镜窥视，检查这些奇异的彩虹色的花和鸟(上文照片摄)。
Visitors must peek into microscopes to examine these remarkable iridescent flowers and birds (pictured at top).
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