Heartwood
n. 心材
✅ 同义词
🗣️ 情景例句
I doubt it, sir. We'll try, but I can't promise anybody before 3:30.
我没把握，先生。我们会尽早的，但我不敢许诺3：30以前行。
Sitting on the fence.
考虑中！
Can I have some breakfast first
我能先吃点早餐吗？