短语词组短語methane castrate 甲烷氣水包郃物parasitic castrate 寄生去勢alimentary castrate 營養去勢emasculate castrate 用人工異花傳粉法去除castrate e 閹割to castrate 閹割castrate mice 去勢小鼠a castrate 閹人semi castrate 半閹割 返回 castrate