Pleurobranch
側(cè)胸, 胸鰓
??? 情景例句
I've put an X next to the place where you should sign.
我已在你該簽名的地方后面標示了X。
All measurements of each case must not exceed 1.5m*1m*1m.
每只木箱體積不應超過1。5m*1m*1m。
He himself has done it lots of times!
他自己就已戒了很多次了！