Filament sag
[电] 灯丝弛度
🧩 词语组成解析
sag
[sæg]
vi. 下垂;消沉;下跌;[航]漂向下风向;
vt. 使…下垂;
n. 下垂的动作或事例;下垂度;下沉地带;下跌;
🗣️ 情景例句
How can I thank all of you?
我该如何感谢你们呢？
If I had known that, I could have helped you.
假如我早知道，我就能帮你了。
but rarely with bicycles made for two.
不过双人自行车则不容易看到。