Cementum canaliculi
[醫(yī)] 牙骨質(zhì)小管
?? 詞語組成解析
n. 牙骨質(zhì), 水門汀
[醫(yī)]（單canaliculus）小管
??? 情景例句
She has the ability to keep calm in an emergency.
她有處變不驚的本事。
I'm the worst pupil in my party.
我是我的聚會(huì)中最壞的學(xué)生。
'I am a foreigner,' I said.
“我是個(gè)外國(guó)人，”我說。