這地方建造得有些不牢靠。The place is a bit jerry-built.我們的不牢靠的記者證所依仗的就是我那幾篇雜志上的文章.Our flimsy journalists credentials rest on my few magzine pieces.別爬上那個梯子, 梯子不牢靠.Don t climb that ladder -- It's not secure....
在接觸點上,根毛細胞壁內凹.The root hair cell wall invaginates at the point of contact.這張桌子四周是雕刻的內凹邊緣.The table has a recessed border carved into it.食人魚,平頭,方頭, 子彈頭, 橢圓, 內凹, 大草帽, 小草帽等.Piranhas head, bullet, elliptical, Neiao, big stra...