If thawed semen is used, it has to be injected directly into the uterus through the ewe's belly wall.
如果使用解冻的精液，它必须通过母羊的腹壁直接注入子宫。
The baby can hear well if you talk to it, and people think that it can learn to recognize voices through the belly wall.
如果你跟胎儿说话，他在肚子里能听见。有人认为胎儿在肚子里时就能隔着肚皮辨别人的声音。
It originates from the wall of the cloaca directly in front of the vent on the belly side, and curls backwards so the shaft and head lies directly beneath the vent opening.
它起源于泄殖腔壁侧面直接在前面的肚皮上发泄，和卷发向后使轴与头部直接位于下方的通风口开幕。
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