Tightening pulley
[機] 皮帶緊輪
?? 詞語組成解析
[化] 擰緊
pulley
['p?li]
n. 滑輪（組），滑車;皮帶輪;
v. 用滑輪升起，用滑車推動;給…裝滑車;
??? 情景例句
I think she has a stomachache.
我想她肚子痛。
Strike while the iron is hot.
見機行事。稱熱打鐵。
'Hello, little girl,' she said.
“你好，小姑娘，”她說。