Portaljib crane
[化] 龙门吊; 龙门吊车; 龙门起重机
🧩 词语组成解析
crane
[kren]
n. 吊车，起重机;鹤;
vt.& vi. 伸长，探头;
vi. 迟疑，踌躇;
🗣️ 情景例句
I bet you can make it.
我敢打赌你一定能做到。
I was little ill at ease.
我有点不自在。
There is a boat in the river.
河里有一条船。