Tracheal cast
[医] 气管管型
🧩 词语组成解析
a. 气管的, 导管的\\n[医] 气管的
cast
[kɑ:st]
vt. 铸造;投掷;投射;脱落，脱皮;
n. 铸型;演员表;轻微的斜视;投，掷骰;
vi. 掷，投;计算，加;
🗣️ 情景例句
Eight straight-back chairs. Thirty folding chairs.
八张直背椅。三十张折摺椅。
So many countries, so many customs.
一个国家有一个国家的风俗。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.
沥青坑里积存了水，大象那样的大动物冒险到似乎坚固的水面上去饮水，立即掉进了沥青坑。