oil sac 中文意思是什麼
oil sac
解釋
(柑桔的)油胞;油腺-
Embryo almost encircled the yolk - sac in 38h40min. the larva broke out of the egg in 39h50min, at that time, the number of the oil globules decreased greatly
38小時40分胚體繞卵黃囊約一周, 39小時50分仔魚孵出,仔魚孵出時卵黃囊內的油球已大大減少。
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